A Visiting Star Jostled Our Solar System 70,000 Years Ago
Around the same time our ancestors left Africa , a dumb cherry-red dwarf asterisk came to within 0.8 light - old age of our Sun , differentiate the closest known flyby of a ace to our Solar System . New research propose Scholz ’s Star , as it ’s recognize , leave traces of this interstellar encounter by perturbing some comet in the outer Oort Cloud . Though Scholz ’s Star visited the outer range of our Solar System some 70,000 years ago , awareness of this heavenly meet - and - greet first emerged three year ago in astudypublished in the Astrophysical Journal Letters ....