... Star Atlas . ... Young super-Jupiter found wandering without a parent . ... Blue stragglers: Astronomers discover how mysterious stars stay so young . ... Mysterious т??blue stragglersт?? are old stars that appear younger than they should т?? they burn hot and blue. ... Essentially, a blue straggler eats up the mass, or outer envelope, of its giant-star companion. ... This cluster is one of the most ancient open star clusters, but it features these mysterious, young-looking blue stragglers. ...