Jan 10

Is Earth threatened by a nearby supernova?

Source: SPACE.com

Kepler's Supernova. Credit: NASA/ESA/JHU/R.Sankrit & W.Blair

The star T Pyxidis, which lies over 3,000 light-years away from the Earth in the constellation Pyxis, was previously thought to be far enough away that if anything happened in the way of a supernova, we'd be pretty safe. According to Edward Sion, Professor of Astronomy and Physics at Villanova University, T Pyxidis may be in fact a "ticking time bomb," and potential threat to the Earth if it were to go supernova, which it may do sometime in the future, though very, very far in the future on our timescale: by Scion's calculations, at least 10 million years.(read more)

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