Astronomy: Week of 3/26/17 (Two Elusive Speedsters)

OK, as promised, I'm going to talk about Comet 41P/Tuttle-Giacobini-Kresak this week, but there's also another elusive object out there, and this week may be your best chance to catch either of them. The planet Mercury is nearing its most eastern declination from the Sun this week, meaning from our point of view it's at…Read more Astronomy: Week of 3/26/17 (Two Elusive Speedsters)