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
Sulpicius Gallus Rilles on the Moon
The week of May 22-28 takes us from Day 3 to Day 9. This week we will highlight the Sulpicius Gallus rilles on the moon, viewable on Friday evening. Sulpicius Gallus Rilles: [NE/G10-11; L=10°E] These rilles, located on the south-western
Moon Crater Wargentin: Unique Wrinkle Ridge Pattern
The week of May 15-21 takes us from Day 26 to Day 2. This week we will highlight the moon crater Wargentin, viewable early Sunday morning. Wargentin: [L=60°W] This is one of the more unusual craters on the Moon. When
Two of the Best-Known Faults on the Moon
The week of May 8-14 takes us from Day 18 to Day 24. This week we will highlight Rupes Cauchy, a fault on the moon, viewable on Tuesday before sunrise. Rupes Cauchy: [NE/J13; L=37°E] Two of the best-known faults on
Promontorium Agarum: Impressive Cape on the Moon
The week of April 3-9 takes us from Day 13 to Day 19. This week we will highlight Promentorium Agarum, located on the eastern edge of Mare Crisium in the NE quadrant of the Field Map at H16, and viewable
One of the Moon’s Best Examples of Subsidence: Moon Crater Fracastorius
The week of March 20-26 takes us from Day 29 to Day 6 This week we will highlight the moon crater Fracastorius, located in the SE quadrant of the Field Map and viewable on Sunday night. Fracastorius: [SE/M13; L=33°E] Located