Types of Meteorite

Thousands of rock fragments enter Earth’s atmosphere every year from space, but most burn up before impact. Those that strike the surface are very hard to recognise, but most are dark, dense and magnetic. Their surface may be a thin glassy crust or have a rusty and dimpled appearance.

Most meteorites are fragments of asteroids. They are grouped according to composition into stony, stony iron and iron meteorites; about 95% of all meteorites are stony. Meteorites are also classified according to their origin. Those that have not been molten are called chondrites, and those that have been molten are called achondrites.

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