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- Tue Jan 04, 2011 1:07 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: Looking Back at an Eclipsed Earth (2011 Jan 02)
- Replies: 21
- Views: 2609
Re: APOD: Looking Back at an Eclipsed Earth (2011 Jan 02)
Why is the eclipse shadow pentagonal in shape? I might assume it's a lens artifact, but there's no corresponding distortion in the Earth.