Some 70,000 years ago, a rogue star duo whooshed by our solar system — and early humans probably saw it

If you happened to be alive 70,000 years ago, you’d be in for quite a show.

More than a million years from now, our solar system will briefly house two stars

It will shine three times brighter than Mars in the night’s sky. It might also cause an unpleasant stir in the Oort cloud…

70,000 Years Ago, a Rogue Star Passed Through Our Solar System

Too close for comfort – a team of astronomers from the US, Europe, Chile and South Africa concluded that a dim star passed through the Oort cloud, our solar system’s┬ádistant cloud of comets. The star missed the Earth by less than one light year, and passed five times closer than the current closest star, Proxima Centauri. In a paper published