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Passing Star Nudged Solar System 70,000 Years Ago

Another star buzzed the solar system 70,000 years ago and may have sent comets hurtling our way. It is possible our ancestors saw the star in the sky way back then. A new study also ID'ed eight object... read more

Five Worldbuilding Errors That Should Be Banished from SF Forever

Today, our closest known neighbour is Alpha Centauri at 4.3 light years. 70,000 years ago, it was Scholz’s Star at as little as 0.6 light ... Still, if your novel is set in the Solar System a billion ... read more

Streams of stars reveal the galaxy’s violent history—and perhaps its unseen dark matter

By sorting for stars with radically different motions from the rest, he cut the more than 2 million stars he had in his sky swath down to about 70,000 that ... a few million solar masses that occurred ... read more

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A Visiting Star Jostled Our Solar System 70,000 Years Ago

New research suggests Scholz’s Star, as it’s known, left traces of this interstellar encounter by perturbing some comets in the outer Oort Cloud. Though Scholz’s Star visited the outer reaches of our ... read more


Comets are still reeling from a star that sideswiped the Solar System 70,000 years ago

Currently, Alpha Centauri is the closest star to our Sun, at a distance of four light-years. But about 70,000 years ago, an interstellar interloper brushed past less than a light-year from us, making ... read more

Early humans saw a rogue star pass close by our Solar System

A new paper published in Monthly Notices of the Royal Astronomical Society explains how the gravitational pull of a star flyby some 70,000 years ago slightly altered ... the history of the Solar Syste... read more

Sky rivers

By sorting for stars with radically different motions from the rest, he cut the more than 2 million stars he had in his sky swath down to about 70,000 that ... a few million solar masses that occurred ... read more

An alien star sideswiped our solar system and sent comets reeling, scientists say

Some 70,000 years ago, when humans ... Of 10,000 simulations of the star’s potential orbits, 98 percent showed it passing through the inner Oort cloud – a region of scattered tiny icy bodies encirclin... read more

Alien star 'nudged' our solar system 70,000 years ago (and its effects are still visible now)

Around 70,000 years ago, a small, reddish star came near our solar system and disturbed comets and asteroids – just when modern humans were beginning to leave Africa. The star – Scholz’s star – named ... read more



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