Asteroids are bodies of rock which can measure anything up to 600 miles across and which orbit the sun. Fewer than 10,000 of the asteroids which could one day pose a threat to the Earth have so far been identified.
UPDATED 19:21, 6 Dec 2025
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Asteroids are bodies of rock which can measure anything up to 600 miles across and which orbit the sun. Fewer than 10,000 of the asteroids which could one day pose a threat to the Earth have so far been identified.
UPDATED 19:21, 6 Dec 2025