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What is the largest known crater on Earth?

The largest known crater on Earth is the Vredefort Dome in South Africa. It is around 300 km across and formed 2 billion years ago. Larger craters probably formed earlier in the history of our planet but have since been obliterated.

For more information on craters see our virtual exhibition and our list of past impacts.

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What evidence is there that the Earth has been struck by NEOs?


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Is Pluto a planet? Astronomers meet in Prague to decide 16/08/06

Members of the International Astronomical Union are currently meeting in Prague to decide on an official definition of a planet. Their decision could see the Solar System�s ninth planet Pluto downgraded or other objects upgraded in status.

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