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- Sun Jan 07, 2007 5:42 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: apod 1/7/07
- Replies: 25
- Views: 9144
The Mysterious Rings of Supernova 1987A (APOD 7 Jan 2007)
Theory To me it appears as though two binary suns went supernova while still in some measure of orbit, so that the shockwaves of each created two expanding rings rather than one. Why the rings at all? I suppose if one sun went off at a slightly different time—such as after the other went off, but b...