The week of April 18-24 takes us from Day 17 to Day 24. This week we will highlight the craters Theophilus, Cyrillus, and Catharina, viewable on Tuesday night. Theophilus, Cyrillus, Catharina: [SE/L12] This is the most imposing trio of craters
The Most Imposing Trio of Craters on the Moon: Theophilus, Cyrillus, and Catharina
