Supernova explosion may wipe out the Earth

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London, January 6 (ANI): Astronomers have revealed a star primed to explode in a blast that could wipe out the Earth.

According to a report in The Sun, astronomers from Villanova University, Philadelphia, US, described the doomsday scenario.

The supernova will self-destruct in an explosion called a supernova with the force of 20 billion billion billion megatons of TNT.

New studies show the star, called T Pyxidis, is much closer than previously thought at 3,260 light-years away - a short hop in galactic terms.

So, the blast from the thermonuclear explosion could strip away our ozone layer that keeps out deadly space radiation, and life on Earth would then be frazzled.

The team of astronomers said that the International Ultraviolet Explorer satellite has shown them that T Pyxidis is really two stars, one called a white dwarf that is sucking in gas and steadily growing.

When it reaches a critical mass, it will blow itself to pieces.

It will become as bright as all the other stars in the galaxy put together and shine like a beacon halfway across the universe.

The experts said that the Hubble space telescope has photographed the star gearing up for its big bang with a series of smaller blasts or "burps", called novas.

These explosions came regularly about every 20 years from 1890, but stopped after 1967.

So, the next blast is nearly 20 years overdue, according to scientists Edward M Sion, Patrick Godon and Timothy McClain at the American Astronomical Society in Washington.

According to Robin Scagell, vice-president of the UK's Society for Popular Astronomy, "The star may certainly became a supernova soon - but soon could still be a long way off so don't have nightmares." (ANI)

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