But only a tiny fraction of the meteorites which fall to earth today are carbonaceous chondrites.
Russian scientists believe this was the largest meteorite to fall to Earth in the past 2, 000 years.
The fall to Earth was monitored by the Joint Space Operations Center (JSPOC) at Vandenberg Air Force Base in California.
Astronomers had reckoned that asteroids are merely big versions of the meteorites that fall to earth from time to time.
His ideas about melody, harmony and rhythm seemed to fall to earth out of nowhere, fitting into no particular school of thought.
If control of Phobos-Grunt cannot be re-established, the focus of interest will very rapidly shift to the spacecraft's certain fall to Earth.
Because there are so few women on Wall Street, those that reach the upper ranks only to fall to earth stand out in stark relief.
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Radioactive isotopes accumulate in milk after they spread through the atmosphere, fall to earth in rain or dust, and settle on vegetation, where they are ingested by grazing cattle.
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In China, they use artillery shells, rockets and airplanes to spray existing cloud systems with silver iodide, a compound that triggers moisture in the clouds to form ice crystals, which then fall to earth as snow or rain.
The ice generally dissipates long before the aircraft lands, but there have been documented cases of blue ice clinging to aircraft surfaces until the aircraft reaches warmer air on approach to landing, then the ice may separate from the aircraft and fall to earth.
Disney, which was flying high last week with Up and The Proposal, is expected to fall back to earth.
But at some point in time, without a real economic recovery, even Wiley Coyote has to fall back to earth.
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The ISS has a tendency to fall back to Earth over time as it drags through the top of the atmosphere.
The problem is that the rocket ships almost always disintegrate in the atmosphere on their ascent to the heavens and fall back to earth.
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It became stuck in Earth orbit after its launch in November and will probably fall back to Earth next month.
They were over achievers and, all things being equal, will fall back to earth in 2012.
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Yet both will fall back to earth in 2013 as unit growth decelerates, margins come under pressure in response to intensifying competition, and earnings growth drops into the low single digits.
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If such a program were suddenly to fall apart, the earth would be subjected to extremely rapid warming, with nothing to stop it.
The risks and burdens of developing transport to low Earth orbit will thus fall to the private sector.
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That superhuman status set Armstrong up for the hardest kind of fall, and he has plummeted back to earth.
General Electric wants Earth-worshippers to fall in love with it.
So why on Earth does cutting capital gains taxes, increasing the money we lend to small business, and increasing the amount that they can deduct based on their investments in new equipment, why on Earth would that fall prey to the same old tired, partisan politics unless one side was much more concerned about playing politics than it is about helping this economy along?
Nearly a century ago, the British scientist John Tyndall suggested that a fall in the atmospheric carbon dioxide could allow the earth to cool whereas a rise in the carbon dioxide would make it warmer.
If Iraq were to fall out of the sky onto a random part of the earth, odds are good that it would plunk into the ocean, sink for at least two miles and then settle into a seemingly endless mudflat called the abyssal plain.
According to which you believe, great earthquakes will cause California to fall into the Pacific, tidal waves will devastate coastal cities, or the earth's crust will shift.
It also adds Push-to-Talk, which just about every carrier on Earth will be pushing this Fall if they aren't already.
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