A white dwarf 3,260 light-years from Earth - mere walking distance in cosmic terms - looks like it could go supernova. And that stellar explosion would have dire consequences for our planet, not to mention our possible descendants.
A white dwarf 3,260 light-years from Earth - mere walking distance in cosmic terms - looks like it could go supernova. And that stellar explosion would have dire consequences for our planet, not to mention our possible descendants.
