meteoroid

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  • noun

Synonyms for meteoroid

(astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere

References in periodicals archive ?
But both branches are so long-lasting--meaning the meteoroid streams are so wide--that they overlap greatly.
Astronomer Bill Cooke from NASA's Meteoroid Environments Office in Huntsville said in a statement that this year, forecasters have predicted a Perseid outburst with double the normal rates on the night of August 11-12.
Meteoroids come from comets, and comets -- and other celestial objects like them -- are about the closest we'll ever get to the big bang.
A meteor shower occurs when the Earth intersects a stream of meteoroids that has formed as a result of the disintegration of a larger body (usually a comet but occasionally an asteroid).
Eventually, the fragments, which are estimated to weigh 200,000 tons, will provide a rich source of meteoroids.
Spectroscopy is an important aspect of meteor studies as it enables the chemical composition of incoming meteoroids to be determined.
12 and 13, 2013, filling the sky with streaks of light caused by the meteoroids burning up in Earth's atmosphere.
The particles, called meteoroids, hit our planet's atmosphere at about 60 kilometers per second (37 miles per second)-each igniting in a white-hot streak of superheated air.
Research so far has shown that loose particles hit by meteoroids settle down into the moon's rock or mineral surface.
The streaks of light you can sometimes see in the night sky are caused by tiny bits of dust and rock called meteoroids falling into the Earth's atmosphere and burning up.
Comets, Asteroids and Meteoroids ISBN 9781420282450 SCIS 1508593; Earth's Atmosphere ISBN 9781420282405 SCIS 1508580; The Planets ISBN 9781420282443 SCIS 1508590 Macmillan Library (Sky Watching), 2011 32pp $ 31.
Among specific topics are primordial massive supernovae as molecular factories at high redshifts, observational evidence for dust growth in proto-planetary discs, hydrous-carbonaceous meteoroids in the Hadean Aeon, dust in clusters of galaxies, probing dust with gamma-ray bursts, analogs of cosmic dust, intersteller ices, and interstellar dust models and evolutionary implications.
For instance, if the abundances reflect an average lunar composition, then the total mass of water originally contained by the moon would be larger than could have been delivered by water-rich meteoroids that pelted the lunar surface during the era known as the late heavy bombardment some 3.
These amazing streaks of light you can sometimes see in the night sky are caused by tiny bits of dust and rock called meteoroids falling into the Ear th's atmosphere and burning up.
They also had to test meteoroids, help us survive, and communicate to the Mission Control.
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