The week of July 25-31 takes us from Day 27 to Day 3. This week we will highlight a series of craters called the Great Eastern Chain. The Great Eastern Chain: [SE/K-N16; L=61°E] There is a conspicuous chain of large
Catena Abulfeda: Chain of Moon Craters
This week we will highlight the moon crater Abulfeda, viewable early Tuesday morning on Day 21. It is a lunar impact crater located in the central highlands of the Moon. To the northeast is the moon crater Descartes. A chain
Pythagoras: Complex Moon Crater with Two Central Mountain Peaks
This week we will highlight the moon crater Pythagoras, viewable on Tuesday evening. Pythagoras1 : [NW/C3; L=63°W] There is only a brief period during each lunation when Pythagoras is visible. It is a complex crater with two central mountain peaks,
Aristillus and Autolycus: Well-Defined Complex Moon Craters
The week of June 20-26 takes us from Day 21 to Day 27. This week we will highlight the craters Aristillus and Autolycus, located in the N.E. quadrant of the Moon and viewable after midnight on Tuesday, June 21. Aristillus/Autolycus:
Crater Chain on the Moon – Catena Davy
The week of June 6-12 takes us from Day 7 to Day 13. This week we will highlight the crater chain known as Catena Davy. Catena Davy: [SW/L9; L=7°W] This fascinating crater chain was made when a comet or asteroid
Moon Crater Mare Nectaris: Example of Multi-Ring Basin
The week of May 30-June 5 takes us from New Moon to Day 6. This week we will highlight the moon crater Mare Nectaris, viewable on Saturday evening, Day 5. Mare Nectaris: [SE/L13] The Nectaris basin was excavated 3.9 billion
Moon Crater Longomontanus: Exception to the Rule About Moon Crater Age
The week of May 23-29 takes us from Day 24 to Day 29. This week we will highlight the moon crater Longomontanus, viewable on Tuesday morning just before sunrise. [SW/P7; L=22°W] Take a look at Longomontanus and before reading further,
Southern Highlands and Moon Crater Stöfler
The week of May 2-8 takes us from Day 2 to Day 7. This week we will highlight the Southern Highlands and the crater Stōfler, viewable Sunday evening. Southern Highlands: [SE ±K-R11] There is a veritable blizzard of craters in
Moon Crater Kepler: Rays Intertwine with Copernicus and Aristarchus
The week of April 25 – May 1st takes us from Day 25 to Day 1. This week we will highlight the moon crater Kepler, viewable before sunrise on Tuesday. Kepler1: [NW/J6; L=38°W] Kepler is a substantial 20-mile crater with
The Most Imposing Trio of Craters on the Moon: Theophilus, Cyrillus, and Catharina
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