Nearby supernova occurred a mere 12 million years ago – COSMIC TRIBUNE
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IT’S NOT JUST IN YOUR MIND!

Nearby supernova occurred a mere 12 million years ago

[CLICK ON IMAGE FOR HIGH RESOLUTION, Adam Block, Mt. Lemmon SkyCenter, U. Arizona]

M82SuperNova

In this image taken Jan. 23rd, [the arrow points to ] a new supernova, now cataloged as SN 2014J, in the nearby bright galaxy M82.

Located near the Big Dipper in planet Earth’s sky, M82 is also known as the Cigar Galaxy…. In fact, SN 2014J was first spotted as an unfamiliar source in the otherwise familiar galaxy by teaching fellow Steve Fossey and astronomy workshop students Ben Cooke, Tom Wright, Matthew Wilde and Guy Pollack at the University College London Observatory on the evening of Jan. 21.

M82 is a mere 12 million light-years away (so the supernova explosion did happen 12 million years ago, that light just now reaching Earth), making supernova SN 2014J one of the closest to be seen in recent decades.

Spectra indicate it is a Type Ia supernova caused by the explosion of a white dwarf accreting matter from a companion star. By some estimates two weeks away from its maximum brightness, SN 2014J is already the brightest part of M82 and visible in small telescopes in the evening sky.

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