| 单词 | Bessel |
| 例句 | Francis saw no reason to understate the power of the helical theory and within several minutes revealed the way Bessel functions gave neat answers. Double Helix 1968-02-27T00:00:00Z Talking about trauma has value, but it does not release it; as trauma expert Bessel van der Kolk noted in the title of his bestselling book, "the body keeps the score." Being a pop star once meant baring skin — now, for some artists, it’s all about emotional stripping 2021-07-05T04:00:00Z As these changes were happening, professor of psychiatry at Harvard Medical School Bessel van der Kolk and Harvard professor of psychiatry Judith Herman began to wonder if the developments were correct. Are sexual abuse victims being diagnosed with a mental disorder they don't have? 2019-03-27T04:00:00Z "The Body Keeps Score: Brain, Mind, and Body in the Healing of Trauma" by Bessel van der Kolk helped him understand and cope with trauma. Sammy goes to school: After 30 years of incarceration, graduation 2023-05-21T04:00:00Z “What is happening this winter already and what we can continue to expect is influenza and RSV are not going to be at unprecedented low levels,” said Banner Chief Clinical Officer Marjorie Bessel. Covid hospitalizations rising post-Thanksgiving after an autumn lull 2022-12-04T05:00:00Z The author, psychiatrist and trauma researcher Bessel van der Kolk, said he is heartened by the “quite important and quite revolutionary” growing awareness of trauma and its effects. Why ‘trauma-informed’ care is spreading from the therapist’s office to yoga classes and tattoo parlors 2022-02-21T05:00:00Z Weston recommended “The Body Keeps The Score” by Bessel van der Kolk, for an analysis of how trauma impacts the body and the brain. Hitting roadblocks while looking for a therapist? Here are some additional options 2021-12-17T05:00:00Z Marjorie Bessel, chief clinical officer for Banner Health, Arizona’s largest health system, said the Jan. 11 peak, even if lower than expected, left hospital workers toiling in crowded conditions under enormous stress. U.S. largely weathered Christmas coronavirus surge, but experts warn the threat could intensify 2021-01-23T05:00:00Z “We are not doing a good job with this virus,” Bessel said of the state. Surge in Arizona, world ‘hot spot,’ puts focus on governor 2021-01-07T05:00:00Z “Right now the entire country is essentially in uncontrolled spread, so every single state is looking for those same limited resources,” said Marjorie Bessel, chief clinical officer at Banner Health. Los Angeles is running out of oxygen for patients as covid hospitalizations hit record highs nationwide 2021-01-05T05:00:00Z “Triage may soon be necessary if volumes continue to increase like they did this past week,” said Dr. Marjorie Bessel, Banner Health’s chief clinical officer. Health officials: Arizona COVID-19 triage care again likely 2021-01-01T05:00:00Z Even so, Bessel admits staff is stretched thin. Hospitals activate surge plans as Arizona case count climbs 2020-06-27T04:00:00Z Bessel said her hospitals still have ventilator and ICU capacity for now. As coronavirus cases rise nationwide, public health experts urge caution 2020-06-10T04:00:00Z “Elective surgeries – they’re a little bit of a misnomer,” Bessel said. Arizona hospitals at 83% capacity, elective surgery may stop 2020-06-10T04:00:00Z “I’ve seen women in politics act totally differently than men do, and often I kind of say, ‘Wow, I didn’t think of that,’ ” said Paul Bessel, chairman of the county’s charter review commission. No ‘Year of the Woman’ for female candidates in Montgomery County 2018-06-27T04:00:00Z “What triage would look like would be that we might — if we got to that point — be unable to care for everybody,” Bessel said. Health officials: Arizona COVID-19 triage care again likely 2021-01-01T05:00:00Z Dr. Marjorie Bessel of Banner Health said the Phoenix-based hospital system was using a contractor to bring in traveling nurses to help staff the additional capacity. Hospitals activate surge plans as Arizona case count climbs 2020-06-27T04:00:00Z Sandra Bessels, a Harrison native and volunteer firefighter, said as she ran errands downtown. Westchester County Gets a New Gun Store, and a Battle of Ideas 2016-11-15T05:00:00Z Bessel and Boone drove across the country in Wes’s Jeep, stopping at college campuses and at rallies, where protesters carried signs that read, “No Cancellation Without Representation.” The Film J. D. Salinger Nearly Made 2016-11-13T05:00:00Z Bessel, a Democrat, said he would be debating Ficker strictly as a private citizen. Opposition to Montgomery term limits proposal begins to form 2016-07-26T04:00:00Z A large and growing body of evidence, compiled by researchers such as Bessel van der Kolk, points to the central role of trauma in the origin of psychopathology. Step Aside, Freud: Josef Breuer Is the True Father of Modern Psychotherapy 2015-06-30T04:00:00Z By the time Bessel, her middle child, was old enough to know her, she had grown bitter and cold. A Revolutionary Approach to Treating PTSD 2014-05-22T04:00:00Z He has applied his research outside the lab, working with Starbucks on a soundtrack to complement their coffee, and been recognized with awards including the Friedrich Wilhelm Bessel Research Award and the Ig Nobel Prize. Pitch/Fork: The Relationship Between Sound And Taste 2013-09-06T15:15:43.060Z Bessel van der Kolk, the medical director of the Trauma Center at Justice Resource Institute in Boston and a psychology professor at Boston University Medical School, takes a somewhat different view. At War Blog: Should Gun Restrictions Be Placed on Veterans With PTSD? 2013-04-26T16:47:14Z In Bessel’s heliometer this would amount to a difference of 15⁄1000th of an inch when an angle of 1� is measured. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z Two scientific gentlemen, Dr. Bessels and Mr. Meyer, accompanied him, as did Morton, Kane’s trusty friend, who has been so often mentioned in these pages. The Sea: Its Stirring Story of Adventure, Peril, & Heroism. Volume 3 2012-04-03T02:00:31.900Z Bessel van der Kolk sat cross-legged on an oversize pillow in the center of a smallish room overlooking the Pacific Ocean in Big Sur. A Revolutionary Approach to Treating PTSD 2014-05-22T04:00:00Z Bessel found that on September 29, 1835, a star of the 10th magnitude shone with undimmed lustre through the tail of Halley’s comet within 8 seconds of arc of the central point of the head. Astronomical Curiosities Facts and Fallacies 2012-03-27T02:00:18Z The history of the spectroscopic binaries is one of the most interesting chapters in astronomy, and affords a marvelous confirmation of the prediction of Bessel who first wrote of "the astronomy of the invisible." Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z Bessel’s practice was to unclamp in declination, lower and read off the head, and then restore the telescope to its former declination reading, the clockwork meanwhile following the stars in right ascension. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z Thus the transverse vibrations of a circular membrane lead to the theory of Bessel’s Functions; the oscillations of a spherical sheet of air suggest the theory of expansions in spherical harmonics, and so forth. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 8 "Haller, Albrecht" to "Harmonium" 2012-01-02T03:00:22.443Z The overlapping waves produce a forward-moving beam known as a Bessel beam whose intensity remains constant along its length. Not Pulling Your Leg: Tractor Beams May Be Possible 2011-11-14T22:59:59Z The powerful telescope showed what Bessel had foretold, and proved Sirius to be a "binary" star—that is, as we have seen, a star which has another moving round it. Through Magic Glasses and Other Lectures A Sequel to The Fairyland of Science 2011-10-03T02:00:33.003Z These classic researches of Bessel and Struve are the most important in the history of star distances, because they were the first to prove that stellar parallax, although minute, could nevertheless be actually measured. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z Nor is it difficult to imagine the probable course of reasoning which led Bessel to select the model of his new heliometer. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z A greater daily distance can be measured with the same accuracy by means of Bessel’s apparatus; this permits the ready measurement of 2000 m. daily. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6 "Geodesy" to "Geometry" 2011-09-19T02:00:10.473Z Bessel, a great astronomer, who unfortunately for science died too soon, was already on the point of finding out by computation the unknown disturber. Popular Books on Natural Science For Practical Use in Every Household, for Readers of All Classes 2011-08-29T02:01:12.927Z Other well-known examples of asymptotic expansions are afforded by the descending series for Bessel’s functions. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z And it is this very minute angle which Bessel and Struve were the first to measure with certainty, and which Henderson found to be in the case of Alpha Centauri the largest yet known. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z Whether Bessel communicated such a course of reasoning to Fraunhofer, or whether that great artist arrived independently at like conclusions, we have been unable to ascertain with certainty. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z Bessel, studies of Sirius and Procyon, 20. letter about "dark stars," 114. Astronomy with an Opera-glass A Popular Introduction to the Study of the Starry Heavens with the Simplest of Optical Instruments 2011-07-17T02:00:30.177Z The mental health community is only just beginning to research the impact of these issues—for reference, look up the work of physicians Daniel Siegel, Bessel van der Kolk and Bruce Perry. Readers Respond to "Ruled By the Body"--and More... 2011-07-08T13:45:00.217Z Bessel, however, holds that the oblateness of Jupiter proves that his interior is somewhat denser than his exterior. The Plurality of Worlds 2011-06-01T02:00:23.787Z About 1835, Bessel undertook the work of determining stellar parallax in earnest. Astronomy: The Science of the Heavenly Bodies 2012-03-17T02:01:02.630Z Bessel confined his measures to distances considerably less than 1�. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z If some of the enormous telescopes that have been constructed in the past few years should succeed in rendering Procyon's companion visible also, it is highly probable that Bessel's prediction would receive another substantial fulfillment. Astronomy with an Opera-glass A Popular Introduction to the Study of the Starry Heavens with the Simplest of Optical Instruments 2011-07-17T02:00:30.177Z However, the winter was marked by a series of valuable physical observations, made by Dr. Bessels and Mr. Bryan, the astronomer. Explorers and Travellers 2011-05-11T02:00:17.627Z Seen straight-on, a Bessel beam would look like the ripples surrounding a pebble dropped in a pond. Lasers can act as 'tractor beams' 2011-03-03T00:27:14Z Martha Bessel is beaten night after night, so that one sees the marks of it the next day. The Awakening of Spring A Tragedy of Childhood 2011-02-13T03:00:19.567Z In the 19th century, Bessel found the length of the seconds pendulum at K�nigsberg and Berlin by observations with a ball pendulum and by original theoretical considerations. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z Hansen’s method differs from that of Bessel in that the ecliptic is taken as the fundamental plane instead of the equator. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" 2011-01-19T03:00:19.027Z Within an hour, however, he was taken violently ill, and upon examination, Dr. Bessels announced that he had been stricken with apoplexy, that his left side was paralyzed, and that his sickness might prove fatal. Explorers and Travellers 2011-05-11T02:00:17.627Z Personal equation.—It is a remarkable fact, first investigated by the German astronomer Bessel, three quarters of a century ago, that where extreme accuracy is required the human senses can not be implicitly relied upon. A Text-Book of Astronomy 2011-01-05T03:00:57.347Z Bessel announced, in December 1838, the perspective yearly shifting of 61 Cygni in an ellipse with a mean radius of about one-third of a second. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" The Prussian instrument was symmetrical geometrically, as specified by Bessel, but different in form from the Swiss and Russian pendulums. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z A very copious development of the computation of eclipses by Bessel’s method is found in W. Chauvenet’s Spherical and Practical Astronomy, vol. i. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10 "Echinoderma" to "Edward" 2011-01-19T03:00:19.027Z However, Captain Buddington, the sailing-master, and Dr. Bessels, the chief of the scientific staff, signed an agreement to do all in their power to fulfil the ultimate object of Hall’s ambition. Explorers and Travellers 2011-05-11T02:00:17.627Z Bessel were, however, needed for the development of their fundamental importance. Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" From this Bessel surmised the existence of a satellite or companion, for which C.A.F. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 2 "Camorra" to "Cape Colony" Bessel further showed that it is unnecessary to make the times of swing exactly equal for the two knife edges. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z And then the other shadows and the cloud of evil spirits about him had thrust Mr. Bessel away from her, and for all the rest of the s�ance he could regain her no more. International Short Stories English The maximum brightnesses and the places at which they occur are easily determined with the aid of certain properties of the Bessel’s functions. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" We have seen, also, how the abnormal proper-motion of Sirius suggested to Bessel the existence of an unseen companion. Pioneers of Science He, however, failed entirely to obtain any parallaxes, the triumph in this being, as we have seen, reserved for Bessel. Astronomy of To-day A Popular Introduction in Non-Technical Language It was decided further to employ a reversible pendulum of Bessel’s design and to have it constructed by the firm of A. Repsold and Sons, Hamburg. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z All through those hours the persuasion was overwhelming in Mr. Bessel's mind that presently his body would be killed by his furious tenant, and he would have to remain in this shadow-land for evermore. International Short Stories English The star selected by Bessel is a binary known as 61 Cygni, the components being of magnitudes 5�5 and 6 respectively. The Astronomy of Milton's 'Paradise Lost' Bessel was a little the earliest, and by far the most accurate. Pioneers of Science The first ascertained displacement of a star, namely that of 61 Cygni, noted by Bessel in the year 1838, definitely proved to men the truth of the Copernican system. Astronomy of To-day A Popular Introduction in Non-Technical Language Bessel demonstrated theoretically the advantages of a reversible compound pendulum which is symmetrical in form and is hung by interchangeable knives. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z But the thought that the s�ance was almost over only made Mr. Bessel the more earnest, and he struggled so stoutly with his will against the others that presently he gained the woman's brain. International Short Stories English On his return home, Bessel endeavoured to determine the longitude of Bremen. The Astronomy of Milton's 'Paradise Lost' The genius of Bessel surmised this, and consistently upheld the doctrine that the astronomy of the future would have to concern itself with dark and invisible bodies; he preached "an astronomy of the invisible." Pioneers of Science Bessel had anticipated him with the parallax of 61 Cygni by just two months. A Popular History of Astronomy During the Nineteenth Century Fourth Edition The firm of A. Repsold and Sons in Hamburg constructed pendulums from the specifications of Bessel for European gravity surveys. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z When Bessel engaged in his labours, the pair of stars forming the double were at the point indicated on the diagram by the date 1838. The Story of the Heavens Bessel directed his energies chiefly to the study of stellar astronomy, and made many observations in determining the number, the exact positions, and proper motions of the stars. The Astronomy of Milton's 'Paradise Lost' Hitherto the brightest had been most attended to, but Bessel thought that quickness of proper motion would be a still better test of nearness. Pioneers of Science But a more secure road to improvement than that of mere mechanical exactness was pointed out by Bessel. A Popular History of Astronomy During the Nineteenth Century Fourth Edition Bessel’s experiments were significant in view of the care with which he determined the corrections. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z Bearing this in mind, it is quite possible to reconcile the measures of Bessel with those of Struve. The Story of the Heavens This star will always be an object of interest to astronomers, as it was the first of the stellar multitude that revealed to Bessel the secret of its distance. The Astronomy of Milton's 'Paradise Lost' It does revolve round Sirius in a period of 49·4 years—almost exactly what Bessel assigned to it. Pioneers of Science For this state of things, Bessel, by the exercise of consummate diligence, sagacity, and patience, provided an entirely satisfactory remedy. A Popular History of Astronomy During the Nineteenth Century Fourth Edition Figure 7.—Results of experiments in the determination of the length of the seconds pendulum at K�nigsberg by a new method were reported by F. W. Bessel in 1826 and published in 1828. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z We need only assume that Bessel's comparison stars are about three times as far as 61 Cygni, while Struve's comparison star is at least eight or ten times as far. The Story of the Heavens About the time of the death of Friedrich Bessel, the great German astronomer, one of the greatest triumphs of abstract astronomical reasoning was achieved. A History of the Nineteenth Century, Year by Year Volume Two (of Three) But Bessel also assigned a dark companion to Procyon. Pioneers of Science In order to verify with greater strictness the results drawn from the Bradley and Piazzi catalogues, a third term of comparison was wanted, and this Bessel undertook to supply. A Popular History of Astronomy During the Nineteenth Century Fourth Edition Bessel found the period of vibration of the pendulum by the method of coincidences; and in order to avoid disturbances from the comparison clock, it was placed at some distance from the pendulum under observation. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z We may add that, as the comparison stars used by Bessel are brighter than that of Struve, there really is a presumption that the latter is the most distant of the three. The Story of the Heavens This weight would be enormous if Bessel's estimate of the mass of the ring-system is correct. Myths and Marvels of Astronomy Bessel made preparations for trying what he could do at it in 1840, but he was prevented by fatal illness. Pioneers of Science During two-and-thirty years it was the scene of Bessel's labours, and Bessel's labours had for their aim the reconstruction, on an amended and uniform plan, of the entire science of observation. A Popular History of Astronomy During the Nineteenth Century Fourth Edition In addition to a correction for buoyancy of the air considered by his predecessors, Bessel also took account of the inertia of the air set in motion by the pendulum. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z The fact that Sirius had not been moving uniformly was of such interest that it arrested the attention of Bessel when he discovered the irregularities in 1844. The Story of the Heavens Doctor Bessel accompanied the ship as naturalist, and at least one member of Kane’s expedition also went. Notable Voyagers From Columbus to Nordenskiold Bradley, the modern Hipparchus, carried on the improvement, his errors in right ascension, according to Bessel, being under one second of time, and those of declination under four seconds of arc. Human Traits and their Social Significance Argelander now obtained an entirely concordant result from the large number of 390, determined with the scrupulous accuracy characteristic of Bessel's work and his own. A Popular History of Astronomy During the Nineteenth Century Fourth Edition Figure 8.—Mode of suspension of Bessel’s pendulum is shown here. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z Viewed in this manner, the discrepancy between Struve and Bessel vanishes. The Story of the Heavens It is impossible that Bessel should here mean that this motion was certainly in the plane of the orbit; for the orbit was then viewed sideways, and he had no means of ascertaining the fact. Outlines of a Mechanical Theory of Storms Containing the True Law of Lunar Influence It is doubtful whether Bessel has a central mountain. The Moon A Full Description and Map of its Principal Physical Features Meanwhile a result of the same kind, but of a more striking character than either Bessel's or Struve's, had been obtained, one might almost say casually, by a different method and in a distant region. A Popular History of Astronomy During the Nineteenth Century Fourth Edition Bessel found this “cylinder of unrolling” superior to the clamps and knife edges of earlier pendulums. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z The name of Bessel stands out conspicuously in this memorable chapter of astronomy. The Story of the Heavens According to Boas and Bessels the most northern Eskimo of the middle group north of Hudson Bay reside on the southern extremity of Ellesmere Land around Jones Sound. Indian Linguistic Families Of America, North Of Mexico Seventh Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1885-1886, Government Printing Office, Washington, 1891, pages 1-142 The bright streak crossing the Mare from N. to S. passes through Bessel. The Moon A Full Description and Map of its Principal Physical Features Bessel's prevision was destined to be still more triumphantly vindicated. A Popular History of Astronomy During the Nineteenth Century Fourth Edition With this apparatus, Bessel determined the ratio of the lengths of the two pendulums and their times of vibration. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z Great interest was excited in the astronomical world by these discoveries, and the Royal Astronomical Society awarded its gold medal to Bessel. The Story of the Heavens For our knowledge of these interesting people we are chiefly indebted to Ross and Bessels. Indian Linguistic Families Of America, North Of Mexico Seventh Annual Report of the Bureau of Ethnology to the Secretary of the Smithsonian Institution, 1885-1886, Government Printing Office, Washington, 1891, pages 1-142 Bessel also relates that when he was a lad of thirteen he could see this star double. Half-hours with the Telescope Being a Popular Guide to the Use of the Telescope as a Means of Amusement and Instruction. But Bessel was not destined to witness the recognition of "the invisible" as a legitimate and profitable field for astronomical research. A Popular History of Astronomy During the Nineteenth Century Fourth Edition The length of the seconds pendulum at K�nigsberg, reduced to sea level, was found by Bessel to be 440.8179 lines. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z In fact, we might say that each succeeding generation undertakes a new discussion of the distance of this star, with the view of confirming or of criticising the original discovery of Bessel. The Story of the Heavens Now the curious fact emerges from Dr. Elkin's inquiries that six of Bessel's stars are exempt from the general drift of the group. Scientific American Supplement, No. 623, December 10, 1887 These hints were strengthened by a letter from Bessel, of Königsberg. Notable Events of the Nineteenth Century Great Deeds of Men and Nations and the Progress of the World It was first pointed out by Bessel that the fact of stars exhibiting a common proper motion might serve as an unfailing test of their real association into systems. A Popular History of Astronomy During the Nineteenth Century Fourth Edition In 1835, Bessel determined the intensity of gravity at a site in Berlin where observations later were conducted in the Imperial Office of Weights and Measures by Charles S. Peirce of the U.S. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z Bessel asserted that the distance of 61 Cygni could not be more than sixty billions of miles. The Story of the Heavens One of Bessel's fifty-three stars was omitted by Dr. Elkin as too faint for accurate determination. Scientific American Supplement, No. 623, December 10, 1887 Butzbach tells us, not without humour, of a certain Baldwin Bessel of Haarlem, a learned physician with a wonderful memory, who was summoned to Laach to heal their Abbot, who lay sick. The Age of Erasmus Lectures Delivered in the Universities of Oxford and London Bessel had no sooner made himself acquainted with the exquisite defining powers of the Königsberg heliometer, than he resolved to employ them in an attack upon the now secular problem of star-distances. A Popular History of Astronomy During the Nineteenth Century Fourth Edition He concluded that for absolute determinations of gravity, the Bessel reversible pendulum was highly appropriate if one swung two exemplars of different weight from the same stand for the elimination of flexure. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z In the head of Halley's comet, for instance, Bessel observed in October, 1835, that the jet in the course of eight hours swung through an angle of 36°. The Story of the Heavens One is a star a little above the seventh magnitude, distinguished as s Pleiadum; the other, of about the eighth, is numbered 25 in Bessel's list. Scientific American Supplement, No. 623, December 10, 1887 The Albany proper motions, as Prof. Boss was careful to explain, depend for the most part upon the right ascensions of Bessel's and Lalande's zones, and are hence subject to large errors. Scientific American Supplement, No. 829, November 21, 1891 It was also noticed, both by him and Bessel, that double stars are in general remarkable for large proper motions. A Popular History of Astronomy During the Nineteenth Century Fourth Edition Bessel, president of the Augustan Synod, Minneapolis, said that the synod was shocked at the German barbarism in Denmark, but was happy about Sweden's firm stand in offering refuge to the persecuted Jews. The Grey Book This investigation was first undertaken by the great astronomer Bessel, in his memoir on the appearance of Halley's comet in 1835, and it has since been considerably developed by Roche and the Russian astronomer Bredichin. The Story of the Heavens A chart of the relative displacements indicated for Bessel's stars by the differences in their inter-mutual positions as determined at Konigsberg and Yale accompanies the paper before us. Scientific American Supplement, No. 623, December 10, 1887 The distance of the star 61 Cygni, made known by Bessel, has led approximately to a knowledge of the quantity of matter contained in this body as a double star. COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 The paper was immediately sent to Von Zach for publication, with a note from Olbers explaining the circumstances of its author; and the name of Bessel became the common property of learned Europe. A Popular History of Astronomy During the Nineteenth Century Fourth Edition Tables of the Bessel functions of the first kind of orders fifty-two through sixty-three. U.S. Copyright Renewals, 1977 January - June Tables of the Bessel functions of the first kind of orders, twenty-eight through thirty-nine. U.S. Copyright Renewals, 1975 July - December Tables of the Bessel functions of the first kind of orders ten, eleven, and twelve. U.S. Copyright Renewals, 1975 January - June Tables of the Bessel functions of the first kind of orders seven, eight, and nine. U.S. Copyright Renewals, 1974 July - December A systematic reform was called for; and it was this which Bessel undertook and carried through. A Popular History of Astronomy During the Nineteenth Century Fourth Edition Tables of the Bessel functions of the first kind of orders forty through fifty-one. U.S. Copyright Renewals, 1977 January - June Tables of the Bessel functions of the first kind of orders two and three. U.S. Copyright Renewals, 1974 January - June Tables of the Bessel functions of the first kind of orders sixteen through twenty-seven. U.S. Copyright Renewals, 1975 January - June Bessel had intended to try, but a fatal illness overtook him. History of Astronomy A detailed examination convinced the Astronomer-Royal of its superior accuracy to Bessel's result with the heliometer. A Popular History of Astronomy During the Nineteenth Century Fourth Edition It is a well-authenticated apparition; the scientist Bessel saw one; so did Casanova, here at Rome. Alone Tables of the Bessel functions of the first kind of orders zero and one. U.S. Copyright Renewals, 1974 January - June Tables of the Bessel functions of the first kind of orders thirteen, fourteen, and fifteen. U.S. Copyright Renewals, 1975 January - June I wrote to Bouvard at Paris for observations of the sun, but he recommended me to wait for the Tables which Bessel was preparing. Autobiography of Sir George Biddell Airy There were, however, no oscillations to and fro, such as Bessel had seen and speculated upon in 1835. A Popular History of Astronomy During the Nineteenth Century Fourth Edition The abnormal proper-motion of Sirius suggested to Bessel the existence of an unseen companion. The Great Events by Famous Historians, Volume 17 To do this, one would have to measure just about the amount of parallax that Bessel found in his star. Side-Lights on Astronomy and Kindred Fields of Popular Science To the Music Publisher B. Bessel Dear Sir, You have been unusually parsimonious in only sending me a single copy of the Ballade of Count Tolstoy. Letters of Franz Liszt -- Volume 2 from Rome to the End All through those hours the persuasion was overwhelming in Mr. Bessel's mind that presently his body would be killed by its furious tenant, and he would have to remain in this shadow-land for evermore. Twelve Stories and a Dream From a rediscussion of these somewhat doubtful observations Bessel inferred that Mercury rotates on an axis inclined 70° to the plane of its orbit in 24 hours 53 seconds. A Popular History of Astronomy During the Nineteenth Century Fourth Edition Thus it was found that different persons vary in the rate of their central nervous activity—which explained the "personal equation" that the astronomer Bessel had noted a half-century before. A History of Science — Volume 4 From the time of Copernicus to that of Bessel many attempts had been made to measure the parallax of the stars, and more than once had some eager astronomer thought himself successful. Side-Lights on Astronomy and Kindred Fields of Popular Science Mr. Bessel therefore only has either to send me 1200 marks in payment, or else to return me the manuscript without being ashamed. Letters of Franz Liszt -- Volume 2 from Rome to the End But the thought that the seance was almost over only made Mr. Bessel the more earnest, and he struggled so stoutly with his will against the others that presently he gained the woman's brain. Twelve Stories and a Dream It was developed and enforced by Bessel's discussion of the appearances presented by Halley's comet in 1835. A Popular History of Astronomy During the Nineteenth Century Fourth Edition In 1838 Bessel announced from the Konigsberg observatory that he had succeeded, after months of effort, in detecting and measuring the parallax of a star. A History of Science — Volume 3 The measurement of the distance even of the nearest stars evaded astronomical research until Bessel and Struve arose in the early part of the present century. Side-Lights on Astronomy and Kindred Fields of Popular Science F. Liszt Rome, November 21st, 1885 When you have sent me word of the result of the negotiation with Bessel, I will write my thanks and acknowledgments to Cui. Letters of Franz Liszt -- Volume 2 from Rome to the End And then the other shadows and the cloud of evil spirits about him had thrust Mr. Bessel away from her, and for all the rest of the seance he could regain her no more. Twelve Stories and a Dream So unexpected that theoretically it was not possible before the year 3346; and Bessel's investigation was one which inspired and eminently deserved confidence. A Popular History of Astronomy During the Nineteenth Century Fourth Edition The opening up of this "astronomy of the invisible" is another of the great achievements of the nineteenth century, and again it is Bessel to whom the honor of discovery is due. A History of Science — Volume 3 The fact that the subsequent invention by Bessel may have been independent does not detract from the merits of either. Side-Lights on Astronomy and Kindred Fields of Popular Science Sir, Pray excuse my delay in thanking you for your very kind letter that Mr. Bessel brought me with the piano score of your Opera William Ratcliff. Letters of Franz Liszt -- Volume 2 from Rome to the End Its parallax was first found by Bessel in 1838, and is about one-third of a second. History of the Conflict Between Religion and Science This observation of Bond's was strongly confirmatory of Bessel's hypothesis of opposite polarities in such bodies' opposite sides. A Popular History of Astronomy During the Nineteenth Century Fourth Edition |
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