Monday, January 29 – Tonight we will return again to the lunar surface to have a look through binoculars or telescopes at another tremendous impact region. The Sinus Iridium is one of the most fascinating and calming areas on the Moon. At around 241 kilometers in diameter and ringed by the Juras Mountains, it’s known … Continue reading "What’s Up this Week: January 29 – February 4, 2007"