Links for Sunday, March 22, 2009

• Astronomy Buff: How Can We See Galaxies 47 Billion Light Years Away When the Universe is Only 13 Billion Years Old? – “What all of this means is that whenever you discuss the size of the universe, you need to apply a scale factor that is relevant TO THE TIME you are interested in. The issue of when is very important because the size of the universe, and the rate at which it was expanding has changed since the universe began.“
• Identity Woman: April – London – Open Scheduling – “Since I heard about Jeff Barr (an Amazon Evangelist) opening his schedule via wiki it seemed like it would make sense to do sometime. This trip is the time. It is also a good opportunity to use my personal wiki.“