What are the risks, by the numbers? How many asteroids hit Earth and how many can we expect to zip past us?
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What are the risks, by the numbers? How many asteroids hit Earth and how many can we expect to zip past us?
Share & discuss informative content on: Astrophysics, Cosmology, Space Exploration, Planetary Science and Astrobiology.
The Busy Center of the Lagoon Nebula
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