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A Star Passed Through the Solar System Just 70,000 Years Ago

Astronomers have reported the discovery of a star that passed within the outer reaches of our Solar System just 70,000…

9 years ago

Earth’s First Trojan Asteroid Discovered

[/caption] The first known "Trojan" asteroid in Earth's orbit has been discovered. A Trojan asteroid shares an orbit with a…

13 years ago