Nakhla meteorite that originated from 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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