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:
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
Moon Crater Humboldt: Cluster of Central Peaks and Crater Chain
The week of March 28 – April 3rd takes us from Day 26 to Day 3. This week we will highlight the moon crater Humboldt. Humboldt1: [SE/M18] This moon crater is best viewed when there is a pronounced libration; tonight
Eudoxus and Aristoteles: Complex Moon Craters with Terraced Walls
The week of March 21-27 takes us from Day 19 to Day 25. This week we will highlight the moon craters Aristoteles and Eudoxus, viewable early Wednesday morning. Aristoteles1: [NE/D11; L=17°E] Close to the terminator this morning there is an
Vernal Equinox: Can an Egg Stand on Its End?
The week of March 14-20 takes us from Day 12 to Day 18. This week we will highlight the moon craters Endymion and Geminus which will be viewable on Saturday night around 11:00 P.M. Endymion: [NE/D15; L=57°E] This is an
Moon Craters Posidonius and le Monnier – Examples of Subsidence
The week of March 7-13 takes us from Day 5 to Day 11. This week we will highlight moon craters Posidonius and le Monnier, viewable on Tuesday evening. Posidonius/le Monnier: [NE/F-G13; L=30°E] There are only two craters of any consequence