The week of January 20-26 takes us from Lunar Day 21 to Day 27. This week we will highlight the Pytheas secondary moon craters, visible on Tuesday night and Wednesday night close to the terminator. Pytheas secondary craters: [NW/G7-8; L=19°W]
Altai Scarp (Rupes Altai) – How Shock Waves from a Major Impact can Compress the Surrounding Terrain
The week of January 13-19 takes us from Day 14 to Day 20. This week we will highlight Rupes Altai, visible on Saturday night. Altai Scarp (Rupes Altai): [SE/M12] Viewable even through small telescopes, the Altai Scarp is a spectacular
Most Spectacular Feature on the Moon – Apennine Mountain Range
The week of January 6-12 takes us from Lunar Day 7 to Day 13. This week we will highlight the Apennine mountains, visible on Tuesday night. Montes Apenninus: The Apennine Mountain Range is the most spectacular feature on the Moon
Trio of Moon Craters, Theophilus, Cyrillus,and Catharina
The week of December 30-Jan 5 takes us from Lunar Day 0 to Day 6. This week we will highlight the trio of moon craters, Theophilus, Cyrillus,and Catharina, visible on Saturday night. Theophilus, Cyrillus, Catharina: [Repeated from Day 5–SE/L12; L=24°E]
Rimae Sirsalis: Two Small Overlapping Moon Craters – Sirsalis and Sirsalis A
The week of December 23-29 takes us from Lunar Day 23 to Day 29. This week we will highlight a feature called Rimae Sirsalis, visible on Thursday night. Rimae Sirsalis: [SW/L3-4; L=62°W] Just in from the southwest shore of Oceanus
Moon Crater Rima Hyginus – Line of Linked Craters
The week of December 2 – December 8 takes us from Lunar Day 2 to Day 8. This week we will highlight Rima Hyginus, visible on Saturday night. Rima Hyginus: [NE/J10; L=8°E] At the west end of the Ariadaeus rille,
Moon Crater Humboldt – Cluster of Central Peaks
The week of November 25 – December 1 takes us from Lunar Day 24 to Day 1. This week we will highlight the moon crater Humboldt, visible on Sunday night. Humboldt:1 [SE/M18] This moon crater is best viewed when there
Cauchy Domes on the Moon
The week of November 18-24 takes us from Lunar Day 18 to 24. This week we will highlight on the moon the Cauchy Domes, visible on Tuesday night. Cauchy Domes: [NE/J13; L=36°E] During sunrise over this area on the moon,
Furnerius: Southernmost of the Moon Craters that Make Up the Great Eastern Chain
The week of November 11-17 takes us from Lunar Day 11 to Day 17. This week we will highlight the moon crater Furnerius, visible on Sunday night. Furnerius: [SE/N16; L=61°E] This is the southernmost of the moon craters that make
First Two Segments of Chain of Large Moon Craters: Langrenus and Vandelinus
The week of October 28 – November 3 takes us from Lunar Day 26 to Day 3. This week we will highlight the moon craters Langrenus and Vandelinus, visible on Sunday night. The Great Eastern Chain: [SE/K-N16; L=61°E] There is