Phys.org -
22 Mar 2022 21:26

This impressive image shows the strangely lopsided spiral galaxy NGC 772, which lies over 100 million light-years from Earth in the constellation Aries. Captured by the Gemini North telescope in Hawai'i, one half of the international Gemini Observatory, a program of NSF's NOIRLab, the image shows NGC 772's overdeveloped spiral arm, which stretches across toward the left-hand edge of the frame. This extra large arm is due to one of NGC 772's unruly neighbors, the dwarf elliptical galaxy NGC 770. ...
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