Not only humans try to look younger than they really are – stars do, too. This is what an international team of astronomers investigates in their paper that was just published in Nature Astronomy.
The open cluster M67 hosts a number of so-called blue stragglers, stars that spin far faster than expected. New research suggests the stars got a spin boost by absorbing gas from a dying partner star. Sloan Digital Sky Survey.
A group of Indian and international scientists have spotted a peculiar binary star that shows heartbeat but no pulsations, contrary to the norm of binary stars sporting both heartbeats as well as pulsations. This star is called HD73619 in Praesepe (M44), located in the Cancer constellation, one of the closest open star clusters to the Earth.