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Key points from article :
Researchers calculated the rate of asteroid strikes on the moon, and hence the Earth.
They recorded all collisions that left craters at least 10km (6.2 miles) wide.
Discovered that in the past 290m years the number of collisions had increased dramatically.
From about once every 3 million years, to once nearly every million years.
Probably caused by giant space rocks breaking up in the asteroid belt between Mars and Jupiter.
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Peer-reviewed academic online journal of the American Association for the Advancement of Science (AAAS)
Company develping innovative solutions that advance the state of the art and improve human health and safety.
Planetary scientist specializing in asteroids working as a Director of the Department for Space Studies at the SwRI in Boulder, Colorado.
