I saw that last night. I didn't see that the article had all the specifics, but I think it's safe to say that a blast wave would propagate much, much slower than the speed of light. Add to that the 3260 light years distance, we're safe, right?
Uh-Oh...now that I think about it, we're looking at the star as it was 3260 years ago, right? Dang, we might already be dead!
Earth 'to be wiped out' by supernova explosion, meanwhile...
The star, called T Pyxidis, is set to self-destruct in an explosion called a supernova with the force of 20 billion billion billion megatons of TNT.
Although the star is thought to be around 3,260 light-years away ? a fairly short distance in galactic terms ? the blast from the thermonuclear explosion could strip away the Earth's ozone layer, the scientists said.
Robin Scagell, vice-president of the UK's Society for Popular Astronomy, said: "The star may certainly became a supernova soon ? but soon could still be a long way off so don't have nightmares."