The Star That Exploded Without Hydrogen
Twenty five years ago a star in the constellation Puppis blew itself apart and then vanished behind a curtain of its own soot. Astronomers knew only that the explosion contained no hydrogen at all, which for the most abundant element in the universe is a very strange absence. Now the dust has finally thinned, and the culprits have stepped into view, a white dwarf quietly stripping a rare helium…
We haven't written up this one. Universe Today has the full story — the link below goes straight to it.
