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Anne’s Image of the Day: Supernova Remnant W49B

14 Apr 2014, 12:11 UTC
Anne’s Image of the Day: Supernova Remnant W49B
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April 14, 2014 W49B, a supernova remnant in Aquila Image Credits: X-ray: NASA/CXC/MIT/L.Lopez et al.; Infrared: Palomar; Radio: NSF/NRAO/VLA W49B (also known as SNR G043.3-00.2 or 3C 398) is a highly distorted supernova remnant of some 60 light years across – produced by a rare type of explosion – located somewhere between 26,000 and [continue reading]

April 14, 2014
W49B, a supernova remnant in Aquila

Image Credits: X-ray: NASA/CXC/MIT/L.Lopez et al.; Infrared: Palomar; Radio: NSF/NRAO/VLA
W49B (also known as SNR G043.3-00.2 or 3C 398) is a highly distorted supernova remnant of some 60 light years across – produced by a rare type of explosion – located somewhere between 26,000 and 35,000 light-years away from Earth in the northern constellation of Aquila (the Eagle). It is about 1,000 years old.
This barrel-shaped remnant has four infrared “rings” of about 25 light-years in diameter around the “barrel”, and is probably the result from a type Ib or Ic supernova explosion, making it the first of its kind to be discovered in our Milky Way.
A supernova is a phenomenon in which a star explodes in the final phase of its life. There are two types: Type I and Type II. The Type ...

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