Newscientist reports on an article published by Cornell University Library about how a recent supernova is helping create 3D models of galaxy Messier 82 (also known as Cigar Galaxy).
The above image is of the galaxy in question taken by the Hubble Space Telescope. The article goes on to explain that scientists are observing the light from the supernova 'echo' around the galaxy and seeing how it interacts with the dust of the galaxy. Since dust makes up large amounts of galaxies, mapping it gives scientists the ability to understand the structure of this particular galaxy.
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