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Hubble Shows Light Echo Expanding from Exploded Star

Bringing some of the mysteries of the universe a little closer to home.

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Owlscrying
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Joined: Mon Apr 03, 2017 3:21 am

Unread post Sat Dec 09, 2017 8:05 pm

Image
Image credit: NASA, ESA, and Y. Yang (Texas A&M University and Weizmann Institute of Science, Israel)

The image of M82 reveals a bright blue disk, webs of shredded clouds, and fiery-looking plumes of glowing hydrogen blasting out of its central regions.

Close encounters with its larger neighbor, the spiral galaxy M81, is compressing gas in M82 and stoking the birth of multiple star clusters. Some of these stars live for only a short time and die in cataclysmic supernova blasts, as shown by SN 2014J.

Located 11.4 million light-years away, M82 appears high in the northern spring sky in the direction of the constellation Ursa Major, the Great Bear. It is also called the “Cigar Galaxy” because of the elliptical shape produced by the oblique tilt of its starry disk relative to our line of sight.

Source / image Courtesy

 

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Owlscrying
Posts: 2066
Joined: Mon Apr 03, 2017 3:21 am

Unread post Sat Dec 09, 2017 8:07 pm



Over a two and a half year period, NASA's Hubble Space Telescope observed a "light echo" coming from supernova SN 2014J, which is located in Galaxy M82 11.4 million light-years away.

 

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