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- Wed Jul 29, 2009 9:43 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: APOD: GRB 090423: The Farthest Explosion Yet (2009 Apr 29)
- Replies: 78
- Views: 10017
Re: Just how small.... (GRB 090423: 2009 April 29)
Just got this month's Sky and Telescope talking more about this GRB. This is my first post on The Asterisk* and I had several questions: 1. What is a good red-shift to distance calculator, or is that possible, and what might be the expected degree of error. 2. Chris indicated that matter could move ...