Galaxies are among the largest structures in the universe. But some galaxies, such as Messier 101, are giants among smaller giants.
Vast clouds of hydrogen gas create a pinkish pinwheel in this NASA Hubble Space Telescope image of NGC 3982.
A great encounter between a starry sea diver, at the top, and something bigger below is playing out in this image. That’s what I see. What stories can you tell about this image?
Like the Millenium Falcon blasting out of an exploding second Death Star, Arp 148 shows the stunning results of a galaxy smashup. The collision, shown in this image from NASA’s Hubble Space Telescope, produced a ring-shaped galaxy and a long-tailed companion. Astronomers believe that this is a unique view of a collision in progress. Shockwaves from the collision first drew material into the center and then caused it to fly out in a ring of new star formation.
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