Earth-size stars and alien oceans – an astronomer explains the case for life around white dwarfs
White dwarf stars, like this one shown shrouded by a planetary nebula, are much smaller than stars like our Sun. NASA/R. Ciardullo (PSU)/H. Bond (STScI) The Sun will someday die. This will happen when it runs out of hydrogen fuel in its core and can no longer produce energy through […]
White dwarf stars, like this one shown shrouded by a planetary nebula, are much smaller than stars like our Sun. NASA/R. Ciardullo (PSU)/H. Bond (STScI) The Sun will someday die. This will happen when it runs out of hydrogen fuel in its core and can no longer produce energy through












