"Sometimes, supernovae like the one that will one day destroy WR104 focus their energy into a narrow beam of very destructive gamma-ray radiation along the axis of the system," he warns. "If such a 'gamma-ray burst' happens, we really do not want Earth to be in the way."

Even a short gamma-ray burst at supernova strength could zap away half the Earth's ozone layer, drastically increasing the amount of deadly space radiation that penetrates our atmosphere.

"just down the astronomical road" - is a re-minder expression, no doubt -))

Get ready for a species mutation explosion.
When its over everyone will look like Rosie O'Donnel