The week of September 18-24 takes us from Day 27 to Day 10. This week we will highlight the Triesnecker Rilles, an enigma located on the moon in the NE quadrant of the Field Map at J10 and viewable on
Enigma of the Moon – Triesnecker Rilles
Rima Hyginus: A Line of Linked Moon Craters
The week of September 4 – September 10 takes us from Day 20 to Day 26. This week we will highlight Rima Hyginus, viewable on Tuesday before midnight. Rima Hyginus: [NE/J10; L=8°E] At the west end of the Ariadaeus rille,
Rima Ariadaeus – Rille on the Moon that is a Graben
The week of August 21-27 takes us from Day 5 to Day 11. This week we will highlight Rima Ariadaeus on the moon, viewable Tuesday night. Rima Ariadaeus: NE/J11; L=14°E] The best place to see rilles on the Moon is
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
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
Craters in the Fra Mauro Region: Critical to Understanding an Important Process that Shaped the Moon
The week of April 10-16 takes us from Day 20 to Day 26. This week we will highlight moon craters in the Fra Mauro region, located in the SW quadrant of the Field Map at K8, and viewable early Thursday
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