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Sunday, January 10, 2010

 

Earth to be wiped out by exploding star

Earth 'to be wiped out' by supernova explosion

The Earth could soon be wiped out by the explosion of a star more than 3,000 light years away, according to American scientists.

 

Ben Leach

9:39AM GMT 06 Jan 2010

Earth 'to be wiped out' by supernova explosion T Pyxidis Photo: NASA

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.

Astronomers from Villanova University, Philadelphia, in the US, said 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, they said. The Hubble space telescope has photographed the star preparing 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, said scientists Edward M Sion, Patrick Godon and Timothy McClain at the American Astronomical Society in Washington.

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."


Comments:
When the Earth is destroyed, it will not happen just by mere chance, while I don't know what the means of the destruction will be it will not happen just by chance, at least I don't think so, but What do I know? Nothing, I guess.
It is like the creation of the Universe, it appears to have happened by chance, but Was it? I don't think so.
Well, I read the article on this on another site and the following is what I wrote on there. It has about 8 minutes for moderation to approve it.....

Here it is:If this were a real threat, prior stars closer would have continually killed off the creatures on this planet in the past hundreds of millions of years, and forcing the evolution of simple creatures to start over and over again, never reaching higher states.

All this is…..is just coke bottom glassed , over-abundant coffee drinkers speaking techinical terms with overtones of gloom and doom, who have always, for the most part, turning out to be wrong. WOW…This kind of thing never happened before….!

Unfortunaltely for them, If they happen to be right, they won’t have time to brag about it.

End of my Quote......

Here's the site where I wrote this.......You'll know me as "Pacman" in the reply section.........

http://blogs.discovermagazine.com/badastronomy/2010/01/07/no-a-nearby-supernova-wont-wipe-us-out/comment-page-2/#comment-238555
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