The week of July 17 – July 23 takes us from New Moon to Day 6. This week we will highlight the trio of craters Theophilus, Cyrillus, and Catharina, viewable on Sunday night. Theophilus, Cyrillus, Catharina: [SE/L12; L=24°E] This is
The week of July 3 – July 9 takes us from Day 15 to Day 22. This week we will highlight the moon crater Archimedes, viewable after midnight on Sunday. Archimedes1: [NW/G9; L=4°W] This is a prominent 50-mile moon crater
The week of June 26-July 2nd takes us from Day 8 to Day 14. This week we will highlight Mare Imbrium on the moon, which should be 80% visible on Tuesday evening. The Moon has now entered its gibbous phase
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 week of July 12-18 takes us from Lunar Day 3 to Day 9. This week we will highlight the Imbrium Basin, half of which is viewable on Saturday evening, and the Caucasus Mountains, best viewed on Friday evening. Mare
The week of May 31 – June 6 takes us from Lunar Day 21 to Day 27. This week we will highlight the Ariadaeus and Hyginus rills. Ariadaeus: [NE/J11; L=17°E] The Ariadaeus Rille (Rima Ariadaeus) is named after this 7-mi.
The week of March 1-7 takes us from Lunar Day 18 to Day 24. This week we will highlight Rupes Cauchy, located on the eastern portion of the Sea of Tranquility. Rupes Cauchy [NE/J13]: One of the best-known faults on
The week of December 14-20 takes us from New Moon to Day 6.5. This week we will highlight the crater Arago and its surrounding domes, viewable on Sunday night. Arago: [NE/J12] About 50 miles from the western shore of Tranquillity
The week of June 29-July 5 takes us from Lunar Day 9 to Day 16. This week we will highlight Mare Imbrium, viewable throughout the week. Mare Imbrium: [±NW/F8] The Imbrium basin was created 3.9 billion years ago when an
The week of June 1-7 takes us from Lunar Day 10 to Day 17. This week we will highlight two rilles: Rima Hesiodus and Rimae Ramsden. Rima Hesiodus: [SW/N7-M8; L=20°W] The linear rille Rima Hesiodus is a graben (a special