Red giant's eau de vie

时间:2019-03-06 10:04:01166网络整理admin

By Eugenie Samuel in Boston WE’VE found planets around other stars, now we know some of them have water too. And if other planetary systems have water, they may also harbour the other ingredients for life. Water has been detected before in the vicinity of other stars, but only young stars surrounded by dusty discs of material which has yet to coalesce into planets. But astronomers have always assumed that the water in such systems comes from the stars which, being young,