A Dangerous Nemesis Star May Visit Our Solar System Many Years From Now

A astral orangish dwarf has a 90 % chance of passing through the outer range of our solar system no earlier than a quarter of a million long time from now . Sure , that ’s a foresightful elbow room off , but this unwished-for guest could perturb the Oort swarm , flinging grave comets towards Earth .

After study the estimator - simulated orbits of more than 50,000 nearby genius , European astrophysicist Coryn Bailer - Jones is call that 14 hotshot could come within one parsec ( ~3 light - days ) over the next few million years , but there are at least two we should be suspicious of . As New Scientistreports :

The whizz that is set to add up closest is foretell Hip 85605 , and has a 90 per cent chance of reaching between 0.13 and 0.65 swooning years away from us in the next quarter to half a million geezerhood – although its current position data is n’t completely clear so the estimate may be wrong . The next secretive is GL 710 , which has a 90 per cent chance of reaching 0.32 to 1.44 unaccented years in the next 1.3 million age .

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Either one would be close enough to influence the Oort cloud , which extends from 0.0065 to around 1.63 light days from the Dominicus . “ I think we can safely predict that comet orbits would indeed be break up by the near encounters , ” says Bailer - Jones . He is now influence on a follow - up study to determine the probability of Earth being hit by a comet as the event of a headliner pass by .

Well , put on humanity ( or more accurately post - world ) manages to pull through that long , I ’m pretty trusted we ’ll have no trouble share with any potential problems .

Bailer - Jones ’ study is set to appear in an upcoming issue of Astronomy & Astrophysics , but you may check it outhereat the arXiv pre - print archive . Also , be certain to check out Bruce Dorminey’sexcellent coverageof the paper .

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