VV 340, also known as Arp 302, provides a textbook example of colliding galaxies seen in the early stages of their interaction. The edge-on galaxy near the top of the image is VV 340 North and the face-on galaxy at the bottom of the image is VV 340 South. Millions of years later these two spirals will merge — much like the Milky Way and Andromeda will likely do billions of years from now. Data from NASAs Chandra X-ray Observatory purple are shown here along with optical data from the Hubble Space Telescope red, green, blue. VV 340 is located about 450 million light years from Earth.
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Sun & Planets roughly to scale. Distances not to scale.