A Star Passed Through the Solar System Just 70,000 Years Ago
At a time when modern man was emerging from the shadows, Neandertal man was nearing extinction, a binary star system passed through the outer reaches of our Solar System. (Credit: Michael Osadciw/University of Rochester)
Astronomers have reported the discovery of a star that passed within the outer reaches of our Solar System just 70,000 years ago, when early humans were beginning to take a foothold here on Earth. The stellar flyby was likely close enough to have influenced the orbits of comets in the outer Oort Cloud, but Neandertals and Cro Magnons – our early ancestors – were not in danger. But now astronomers are ready to look for more stars like this one.
Read the rest of A Star Passed Through the Solar System Just 70,000 Years Ago (806 words)
© Tim Reyes for Universe Today, 2015. |
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Post tags: Eric Mamajek, LSST, Magellan telescope, NASA, nearest stars, Nemesis Star, Oort cloud, SALT (South African Large Telescope), Scholz Star, Scholz’s Star, University of Rochester, wise telescope