The moon's craters suggest Earth hasn't erased lots of past impacts - Science News
- The moon's craters suggest Earth hasn't erased lots of past impacts Science News
- Asteroid strikes 'increase threefold over last 300m years' The Guardian
- Number of asteroids pummelling Earth shoots up since age of dinosaurs The Independent
- Earth May Be in the Middle of a Giant Asteroid Spike, Billion-Year Survey Reveals Live Science
- The Frequency of Asteroid Impacts Jumped Just Before the Dinosaur Age, New Research Suggests Gizmodo
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