This Week’s Sky at a Glance, December 2 – 10

Mars is at opposition this week. And on the opposition night of December 7-8, the perfectly full Moon occults Mars. Orion enters stage east ever earlier, the Summer Triangle sinks in the west, and the Big Dipper lies low.

The post This Week’s Sky at a Glance, December 2 – 10 appeared first on Sky & Telescope.