The week of November 7-13 takes us from Lunar Day 15 to Day 20. This week we will highlight the wrinkle ridge Dorsum Oppel on the moon and the lunar eclipse. Dorsum Oppel: [NE/H15; L=53°E] As the lava cooled following
The Bay of Rainbows, Sinus Iridum, on the Moon
The week of September 5-11 takes us from Lunar Day 10 to Day 17. This week we will highlight Sinus Iridum, viewable on Tuesday evening. Sinus Iridum: [NW/E6] Sinus Iridum (the Bay of Rainbows), located in the northwest sector of
Reiner Gamma – Lunar Swirl on the Moon
The week of August 22-28 takes us from Lunar Day 25 to Day 1. This week we will highlight Reiner Gamma, lunar swirl on the moon, viewable early Tuesday morning. Reiner Gamma: [NW/J4] Lunar swirls are absolutely flat features that
Piccolomini: Complex Moon Crater with a Substantial Central Mountain Peak
The week of August 15-21 takes us from Lunar Day 19 to Day 24. This week we will highlight the moon crater Piccolomini and the Altai Scarp, viewable early Tuesday morning. Altai Scarp (Rupes Altai): [SE/M12] Viewable even through small
Moon Crater Archimedes and Story Behind “Eureka, I have found it!”
The week of October 25-31 takes us from Day 20 to 25. This week we will highlight the moon crater Archimedes, viewable after midnight on Wednesday, Day 22. Archimedes1: [NW/G9; L=4°W] This is a prominent 50-mile crater with terraces and
Moon Craters Atlas and Hercules have Blankets of Surrounding Ejecta, Known as a Glacis
The week of September 20-26 takes us from Full Moon to Day 21. This week we will highlight the moon craters Hercules and Atlas, viewable on Thursday evening. Hercules and Atlas1: [NE/E13-14] Just east of Lacus Mortis (the “Lake of
Moon Crater Aristarchus: Brightest Spot on the Moon
The week of August 2-8 takes us from Lunar Day 25 to Day 1. This week we will highlight the Aristarchus Plateau and moon crater Aristarchus. Aristarchus Plateau: [NW/G4-5] This plateau is a diamond-shaped feature with straight sides measuring 100
Serpentine Ridge: Moon’s Best Example of a Wrinkle Ridge
The week of April 6-12 takes us from Lunar Day 13 to Day 20. This week we will highlight the Serpentine Ridge viewable on Saturday evening. Serpentine Ridge1: [NE/G12] West of the crater Posidonius in the Sea of Serenity you
Brilliantly Lit “X” in the Sky: Lunar X
The week of February 24 – March 1 takes us from Lunar Day 1 to Day 7. This week we will highlight a feature popularly referred to as the Lunar X. Lunar X: [SE/M10] On Sunday evening, the Sun will
Two of the Best-Known Faults on the Moon
The week of April 22-28 takes us from Day 18 to Day 24. This week we will highlight Rupes Cauchy, viewable early Tuesday morning. Rupes Cauchy1: [NE/J13; L=37°E] Two of the best-known faults on the Moon are Rupes Cauchy and