Unless you live under a rock you probably know that there is a total lunar eclipse tonight, one that should be particularly favorable for viewing from North America but which will be at least partially visible to viewers in South America, Europe, and easternmost Asia and Australia too. Assuming, of course, that your skies are clear — mine aren’t! Some good places to go for times to view it in North America include Sky & Telescope and ….
- The Problem with Speed
- Door 20 in the 2010 advent calendar (special news update)