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Asteroid belt — What it is, where it is and how it formed
A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...
Space.com on MSN
Astronomers discover images of rare Tatooine-like exoplanet with a strange 300-year orbit: 'Exactly how it works is still uncertain'
Astronomers have discovered a planet beyond the solar system that orbits its twin parent stars closer than any ever seen ...
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