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The constellation Hercules, with its prominent Keystone asterism marked. This image is from Wikimedia Commons. Go there to read about the star names in this constellation.

from NASA

Hubble Views Two Galaxies Merging

This image, taken with the Wide Field Planetary Camera 2 on board the NASA/ESA Hubble Space Telescope, shows the galaxy NGC 6052, located around 230 million light-years away in the constellation of Hercules. It would be reasonable to think of this as a single abnormal galaxy, and it was originally classified as such. However, it is in fact a “new” galaxy in the process of forming. Two separate galaxies have been gradually drawn together, attracted by gravity, and have collided.


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