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单词 bolide
例句 bolide
We call these fireballs or, more technically, bolides, and they can emit enough light to cast shadows. The Science of Shooting Stars 2023-09-08T04:00:00Z
It was also a massive learning experience for scientists, the largest atmospheric impact since the Tunguska bolide in 1908. The Asteroid Blast That Shook the World Is Still Making an Impact 2023-02-15T05:00:00Z
The meteor - sometimes called a bolide for its particularly intense brightness - could be seen by much of southern Norway. Watch meteor light up night sky in Norway 2022-11-20T05:00:00Z
Still, with all this evidence, one large piece remained missing: the crater where the bolide impact. An Introduction to Geology 2017-01-01T00:00:00Z
The fireballs that explode in a bright terminal flash, often with visible fragmentation, are known as bolides, according to the American Meteor Society. Did a meteor explode over New Hampshire? That may explain the boom 2021-10-12T04:00:00Z
He studies small bodies of the solar system with particular emphasis on bolides—large meteors that explode in Earth’s atmosphere. Huge Meteor Explosion a Wake-Up Call for Planetary Defense 2019-03-21T04:00:00Z
Fries is optimistic, partly because the space rock that exploded in a fireball and sonic boom — a phenomenon called a bolide — was huge. Scientists hunt for parts of a massive meteor that splashed down off Washington 2018-06-30T04:00:00Z
The card said that it was a remnant of the Thanksgiving Day “bolide” from 2002. The unlikely story of the meteorite feud that ended up a fugitive from the law 2018-06-25T04:00:00Z
Such explosive fireballs are also known as bolides—meteors that shine brighter than the planet Venus as they careen through Earth’s atmosphere and blast apart. Surprise Meteor Lights Up Harvest Moon Festival 2017-10-09T04:00:00Z
“Now there have been cases where these sort of exploding fireballs or bolides will cause a false positive,” he said. Did a meteor explode over New Hampshire? That may explain the boom 2021-10-12T04:00:00Z
“In this case, the event was both out at sea and detected by a large number of stations, indicating an energetic explosion. This is what bolides look like in infrasound,” Brown says. Huge Meteor Explosion a Wake-Up Call for Planetary Defense 2019-03-21T04:00:00Z
But this year, astronomers say we might hit a particularly dense part of the cloud and see a swarm of fireballs, or at least a few extra-bright meteors, technically called bolides. A Typically Bland Meteor Shower Might Shine Extra Bright This Week 2015-11-05T05:00:00Z
And, as with other showers, a few brighter, more impressive meteors—called fireballs or bolides—should be in the offing too. Want to See a Meteor Shower Peak? Wait for the Moon to Set 2015-07-30T04:00:00Z
Their data indicate that the China bolide raced over the Yunnan Province at about nine miles a second and released energy equal to 540 metric tons of TNT when it exploded. Surprise Meteor Lights Up Harvest Moon Festival 2017-10-09T04:00:00Z
He notes that there are also more dash cams and security cameras and cell phone cameras; including cell phone apps, capable of easily filing reports of these bolides to a central office. NASA Surprised By Chelyabinsk Russian Meteor Fragments 2015-03-21T04:00:00Z
“Looks like a falling bolide,” or meteorite, which evaded detection by the usual array of watchers before hitting our atmosphere, said astronomer Viktor Grokhovsky. What Was That Mysterious Flash of Light Over Russia? 4 Theories 2014-11-20T05:00:00Z
One type of fireball, called a bolide, “explodes in a bright terminal flash at its end, often with visible fragmentation,” according to the AMS website. American Meteor Society Reports Four Fireball Sightings
Astrophysicists say it was a bolide, or a meteor that explodes in the air. Fire in the Sky! 2013-02-15T19:10:00Z
Still, the actual risk from bolides is relatively low: Given the ratio of ocean to populated land, most meteors tend to fall over the open seas. Surprise Meteor Lights Up Harvest Moon Festival 2017-10-09T04:00:00Z
The California bolide, like its African predecessor, made a well-documented entry—three Doppler radar stations picked up the track of the fireball, pointing the way to meteorite fragments on the ground. California Meteor Broke Speed Record for Atmospheric Entry 2012-12-20T23:45:03.167Z
This probably refers to an unusually large “bolide” or “fireball.” Astronomical Curiosities Facts and Fallacies 2012-03-27T02:00:18Z
But if a massive bolide threatened the Earth, we would send unmanned spacecraft, not Robert Duvall or Bruce Willis, to steer it away or destroy it. Why we should embrace the end of human spaceflight 2011-04-12T11:01:00Z
“The early history of Mars was characterized by enormous numbers of bolide impacts that struck the surface of Mars, sending plumes of debris high into the atmosphere” he notes. Scientist at Work: The Mars Connection 2011-04-01T19:41:49Z
There is an immense variety in the brilliancy of the shooting stars, from the weak telescopic sparks that vanish like a flash of lightning, to the incandescent bolides or fire-balls that explode in the atmosphere. Astronomy for Amateurs
A bolide had fallen into the Catanian sea—he took me to the port and showed me precisely where. Castellinaria and Other Sicilian Diversions
It might be a bolide—a large, slow-moving meteorite. Operation Terror
Few pilots have ever, or will ever, see a deluxe model bolide but when they do they'll never forget it. The Report on Unidentified Flying Objects
The velocity of the Projectile was fortunately great enough to carry it barely above the dangerous point; and in a flash the terrible bolide disappeared rapidly several hundred yards beneath the affrighted travellers. All Around the Moon
One of the most significant instances is related on page 19, when the earth felt the fall of bolides upon the sun. Recreations in Astronomy With Directions for Practical Experiments and Telescopic Work
This is repeated, and the third time Misandro sees the tomb open with a loud noise and a bright light—“like the bolide,” said Angiolino.  Castellinaria and Other Sicilian Diversions
It would be noted from the beginning, however, that an impact equal to a hundred-ton explosion was a very small shock for the landing of a bolide. Operation Terror
The example of pilots and bolides holds true in many, many other cases. The Report on Unidentified Flying Objects
The sight of one of these erratic bolides certainly justified the gravest apprehensions of our travellers regarding the existence of others. All Around the Moon
The latter bodies have been chained down to regular orbits, followed far beyond those of the old planets, and brought into genealogical relations with these through the links of bolides and asteroids. Lippincott's Magazine of Popular Literature and Science Volume 17, No. 097, January, 1876
They did not behold these bolides with indifference; the oldest among them remembered that the great earthquakes of 1766 were preceded by similar phenomena. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1
It said blandly that a bolide—a slow-moving, large meteoric object—had been observed by radar to be descending to earth. Operation Terror
The bolide, or super meteor, is a good example. The Report on Unidentified Flying Objects
"Another bolide," answered Barbican, his eye as calm as ever, though a faint tremor was quite perceptible in his voice. All Around the Moon
As I started on the report, I wondered if Major Boggs's "bolide" answer would have any more foundation than these other "astronomical" cases. The Flying Saucers are Real
The same cause which checks the diffusion of the solar light, diminishes the extinction of that which emanates either from bolides from Jupiter, or from the moon, seen on the second day after its conjunction. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1
Investigation of the possible bolide itself was under way. Operation Terror
There are a number of reports of bolides in the Blue Book files and each pilot who made each report called each bolide a UFO. The Report on Unidentified Flying Objects
This was the precise moment at which the travellers would have landed had not that unlucky bolide drawn them off the track. All Around the Moon
"You were quoted as saying they saw a meteor--a bolide that exploded in a shower of sparks." The Flying Saucers are Real
Thousands of bolides and falling stars succeeded each other during the space of four hours. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1
"It is a simple bolide, but one of such enormous dimensions that the Earth's attraction has made it a satellite." All Around the Moon
The descriptions are almost identical to the classic descriptions of bolides found in astronomy books. The Report on Unidentified Flying Objects
Or cans't thou have been some errant bolide, which missing its way, butted blindly against the lunar face, and there stuck fast, like a Minie ball mashed against a cast-iron target? All Around the Moon
Major Boggs's bolide answer had gone the way of his Venus explanation. The Flying Saucers are Real
But since the direction of the bolides was not the same at Labrador and at Cumana, why were they not perceived in the latter place towards the north, as at Cayenne? Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1
"The bolide's distance being known," replied Barbican, "at the moment we met it we were a little more than 5 thousand miles from the Earth's surface." All Around the Moon
"By means of bolides ejected from the lunar volcanoes," replied the Frenchman without an instant's hesitation. All Around the Moon
One or two that were missing had been probably struck and carried off by a fragment of the exploded bolide. All Around the Moon
Now I know what that bolide of ours is! All Around the Moon
Shouldn't we be as safe out there as that bolide? All Around the Moon
Laplace has calculated that a force five times greater than that of an ordinary cannon would be sufficient to send a bolide from the Moon to the Earth. All Around the Moon
An incessant rain of bolides falling on his surface compensates sufficiently for the heat that he is continually giving forth. All Around the Moon
Hundreds of bolides, catching fire from contact with the atmosphere, streaked the darkness with their luminous trails, overspreading it occasionally with sheets of electric flame. All Around the Moon
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