Hottest, heaviest touching double star Astronomers say the two stars might be heading for catastrophe. They will likely either merge to create a single giant star or form a double black hole. This artist’s impression shows VFTS 352 — hottest and most massive double star system known to date where the two components are in contact and sharing material. Image via ESOWe know that many stars in our galaxy are in double or multiple systems, but here are two stars so close they touch. An international team of astronomers said this week (October 21, 2015) that this system – known...