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Monday, November 29, 2021
The Extraordinary Spiral in LL Pegasi (top left). No one knows exactly what it is but it is likely to be a star in a binary star system entering the planetary nebula phase. It is about 1/3 of a light year across. (Check NASA's Astronomy picture of the day).
https://bit.ly/3xzBvir via /r/spaceporn https://bit.ly/31b2WD4