| 单词 | sidereal year |
| 例句 | In order to ascertain when the earth has performed an entire revolution in its orbit, we must observe when the sun returns in conjunction with any fixed star; and this is called a sidereal year. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z The length of time that it takes for the earth to arrive at the same position with respect to the stars, which is called a sidereal year, amounts to 365·2563744 days. Astronomical Myths Based on Flammarions's History of the Heavens 2011-06-24T02:00:15.873Z Unfortunately, here on planet Earth, with its decidedly undecimal sidereal year of 365-and-a-quarter days, that is just not going to happen. 2010-01-15T08:50:00Z Their sidereal year was 4�m too long,7 and they kept the ecliptic stationary among the stars, making no allowance for the shifting of the equinoxes. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7 "Arundel, Thomas" to "Athens" Owing to the precession of the equinoxes it is longer than a tropical or sidereal year by 25 minutes and 2.3 seconds. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" Mrs. B. I must also explain to you what is meant by a sidereal year. Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained 2011-07-12T02:00:28.027Z In what way was the primitive year regulated? was it a solar or a sidereal year? Astronomical Myths Based on Flammarions's History of the Heavens 2011-06-24T02:00:15.873Z There are two kinds of solar years, with which we may have to do in a luni-solar calendar—the tropical or equinoctial year, and the sidereal year. The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture The Egyptian year was a year of 365 days, and therefore vague as regarded the sidereal year. Egyptian Literature Comprising Egyptian tales, hymns, litanies, invocations, the Book of the Dead, and cuneiform writings By comparing two successive years they could of course have got at a sidereal year; but this is what they did not do; hence the irregularity which produced the canicular cycle. Personal Recollections, from Early Life to Old Age, of Mary Somerville It has received the name of sidereal year. Astronomy for Amateurs So, too, We must suppose the moon and all the stars, Which through the mighty and sidereal years Roll round in mighty orbits, may be sped By streams of air from regions alternate. On the Nature of Things The sidereal year is the time occupied by the sun in apparently completing the circuit of the heavens from a given star to the same star again. The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture The earth’s axis rotates about the pole of the ecliptic, making one revolution and a twenty-six thousandth part of a revolution in the sidereal year, in the opposite direction to its orbital motion. History of Astronomy Their observations led them to discover the length, very nearly, of the sidereal year, which they made to consist of 365 days, every fourth year adding one day, making the number for that year 366. General History for Colleges and High Schools "In the year 1779 Lexell's comet approached so near to the earth that it would have increased the length of the sidereal year by three hours if its mass had been equal to the earth's." Ragnarok : the Age of Fire and Gravel Thus the Babylonians had fixed the length of a tropical year within twenty-five seconds of the truth; their estimate of the sidereal year was barely two minutes in excess. History of the Conflict Between Religion and Science The length of the sidereal year is 365 days, 6 hours, 9 minutes. The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture The early Babylonians used a sidereal year, as will be shown shortly. The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture |
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