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- Thu Jan 03, 2013 12:06 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: The Einstein Cross Gravitational Lens (2013 Jan 02)
- Replies: 41
- Views: 5968
Re: APOD: The Einstein Cross Gravitational Lens (2013 Jan 02
What about that faint nebula-like image, shaped like a barred-spiral galaxy, in front of everything else in the picture? Is that a cloud in our own galaxy, and artifact of the photography, or what? Also, there was an article some years ago - in Scientific American, if I remember correctly - which ex...