Low-Mass Stars are Born in Pairs, Astronomers Claim
In this study, 'wide' means that the two stars are separated by more than 500 AU (astronomical units). A wide binary companion to our Sun would have been 17 times farther from the Sun than Neptune. Based on this model, the Sun's sibling most likely ...
Stars may all be born in pairs and lose their siblings later
Astronomers Discover That Our Sun Likely Had an “Evil” Twin That Killed the Dinosaurs
Low-mass stars always born with a sibling: Many, like our sun, split up