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Nakhla meteorite that originated from Mars. |
This is the Nakhla meteorite that landed in Egypt in 1911 and is believed to have come from the planet Mars. There is a theory that this piece of rock might have been ejected from Mars after the planet suffered a hugh impact collision with another object from space. The composition of this rock is very similar to rocks found on Mars.
What's the difference between a meteor and a meteorite and a meteoroid ?
A
meteoroid is a sand- to boulder-sized particle of debris that exists out there in deep space. As soon as a meteoroid enters Earth's atmosphere it becomes a
meteor (often called a shooting star or falling star. When the meteor falls to the ground it then becomes a
meteorite.
How many meteorites have been found on Earth that have orginated from Mars ?
There are over 53000 meteorites that have been found on Earth, only 99 of them are believed to be
Martian, so not that many.
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