Wednesday, 23 May 2018

'Alien asteroid' may be the oldest object in the solar system

WASHINGTON (Reuters) - An "alien asteroid" that circles the sun in the giant gas planet Jupiter's orbital path, but hurtling in the opposite direction, is the first-known permanent resident of our solar system that astronomers have concluded originated in another star system.


from Reuters: Science News https://ift.tt/2IB4rwo
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