Alien star system buzzed our solar system 70,000 years ago

February 18, 2015 4:40 PM

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The star, known formally as WISE 0720-0846, was only recently discovered. Over the last two years, astronomers have been able to study the star's movements. Initial measurements of its velocity and trajectory suggested the star was either on a path toward the sun or had passed by before.

Further analysis of the star, called Scholz's star (for its discoverer), revealed an angle and tangential velocity suggesting a previous flyby.

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