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The universe there is a Death Star

StarScientists hypothesized that the Sun is part of a binary system. The assumption was based on a study of the periods of mass extinctions that occur on Earth, where scientists have seen the periodic structure is repeated every 27 million years. Assuming that a companion of the Sun with a similar orbital period still exist, he approached, may disturb the movement of space objects located in the Kuiper Belt, and the Oort cloud, sending some of them on a collision course with our planet. Being a brown or white dwarf located at a distance of 1.5 light-years of Earth, the companion star is quite not easy to detect. Another fact in favor of a hypothetical star-nemesis is the orbit of Sedna, a dwarf planet, orbiting at a very great distance from the Sun. Read the rest of this entry »

 
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Posted by on August 31, 2013 in Galaxy, Historical, Planet

 

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