Meteors strike the Earth every day, by the thousands. Mostly they are tiny; the size of a grain of rice, perhaps. Probably only a few dozen a day are the size of a Baseball.
Every few weeks, something bigger hits, but we rarely know anything about it ahead of time.
As of May 9, 2009, there are no known meteors that are going to hit the Earth.
Meteorite.
Almost true; a meteorite is a rock that has SURVIVED hitting the Earth. Many meteorites are destroyed when they strike the Earth.
When a meteorite slams into a rocky planet's surface, it often makes a crater.
A meteorite that contains fire is often referred to as a "fireball" when it is still in the atmosphere and producing a bright light due to friction with the air. Once it lands on Earth, it may simply be called a "meteorite," but it does not retain the fire itself. In some contexts, if it contains minerals that can ignite or exhibit pyrophoric properties, it might be described as a "pyrophoric meteorite." However, the term "fire meteorite" is not widely used in scientific literature.
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Meteorite.
You go nowhere.In a typical year there are between 18,000 and 80,000 meteorites of 10 grams or more, which strike earth. But death from meteorite strike is pretty rare: according to the Jet Propulsion Labs (JPL) there have been no deaths caused by meteorite strike in the last 1000 years.On the other hand, if it is really big meteorite, then there may not be anywhere on earth which is safe. It is believed that the mass extinction that saw the end of the dinosaurs was due to a meteorite impact. Most larger species were wiped out.
Almost true; a meteorite is a rock that has SURVIVED hitting the Earth. Many meteorites are destroyed when they strike the Earth.
A meteorite often has a mixture of isotopes that is quite different from that found on Earth.
When a meteorite slams into a rocky planet's surface, it often makes a crater.
Meteorites that strike the moon's surface can cause impact craters. These craters are formed when the meteorite hits the surface at high speeds, creating a depression in the lunar landscape. Over time, these impact craters can provide valuable information about the history of meteorite impacts on the moon.
A meteroid is a natural object in space. A meteroid can enter the atmosphere and become a meteor. If its remains strike the ground and survive, it is a meteorite.
There is a global rumor going around that it will hit in December 2012, they say it is the end of the Mayan Calendar and the end of the world.
No. A meteorite is a rock.
The mass of a meteorite is the amount of matter it contains. Meteorites range considerably in size, so their mass can vary from almost nothing up to huge. The largest known meteorite is about 60,000 kg.
A meteorite that contains fire is often referred to as a "fireball" when it is still in the atmosphere and producing a bright light due to friction with the air. Once it lands on Earth, it may simply be called a "meteorite," but it does not retain the fire itself. In some contexts, if it contains minerals that can ignite or exhibit pyrophoric properties, it might be described as a "pyrophoric meteorite." However, the term "fire meteorite" is not widely used in scientific literature.
How heavy is a meteorite? Every one is different, of course, but the vast majority of them are fairly small; fist-sized or smaller. They are predominantly dust-sized, but we generally cannot see those. Larger meteors strike the Earth every couple of months, although they generally disintegrate or explode in the atmosphere.