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- Wed Jan 06, 2010 12:04 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: The Spotty Surface of Betelgeuse (2010 Jan 06)
- Replies: 42
- Views: 16760
Re: The Spotty Surface of Betelgeuse (2010 Jan 06)
What does "10 mas" in the lower right of the picture mean?