The week of September 18-24 takes us from Day 27 to Day 10. This week we will highlight the Triesnecker Rilles, an enigma located on the moon in the NE quadrant of the Field Map at J10 and viewable on
Enigma of the Moon – Triesnecker Rilles
Rima Hyginus: A Line of Linked Moon Craters
The week of September 4 – September 10 takes us from Day 20 to Day 26. This week we will highlight Rima Hyginus, viewable on Tuesday before midnight. Rima Hyginus: [NE/J10; L=8°E] At the west end of the Ariadaeus rille,
Multi-Ring Basin on the Moon – Mare Nectaris
The week of August 28 – September 3 takes us from Day 13 to Day 20. This week we will highlight Mare Nectaris on the moon, which is viewable Sunday night in the SE quadrant of Lunar Map at L13.
The Most Imposing Trio of Craters on the Moon
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
Moon Craters in Fra Mauro Region Critical to Understanding Important Process That Shaped the Moon
The week of July 10 – July 16 takes us from Day 22 to Day 29. This week we will highlight moon craters in the Fra Mauro region, viewable before sunrise on Tuesday. Fra Mauro region: [SW/K8; L=17°W] Moon craters
Archimedes: Prominent 50-mile Moon Crater with Terraces
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
Mare Imbrium – One Time Multi-Ring Basin on the Moon
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
Rima Ariadaeus – Example of a Graben on the Moon
The week of June 19-25 takes us from Day 2 to Day 7. This week we will highlight Rima Ariadaeus, located in the NE quadrant of the Field Map at J11. Rima Ariadaeus: [NE/J11; L=14°E] The best place to see
Rille Rima Marius on the Moon
The week of June 12-18 takes us from Day 25 to Day 1. This week we will highlight the rille Rima Marius on the moon (in the NW quadrant of the Moon Map at H5) and viewable early Tuesday morning.
Moon Crater Hippalus: Finest Examples of Arcuate Rilles
The week of May 29 – June 4 takes us from Day 10 to Day 16. This week we will highlight the Hippalus rilles, viewable on Tuesday evening. Rimae Hippalus: [SW/M6; L=29°W] On the east shore of Mare Humorum you