The week of July 29 – August 4 takes us from Day 24 to New Moon. This week we will highlight a series of rilles called Rimae Sirsalis, located in the SW quadrant of the Field Map and viewable on
Series of Rilles on the Moon: Rimae Sirsalis
Rupes Cauchy: A Best Known Fault on the Moon
The week of July 22-28 takes us from Day 17 to Day 23. This week we will highlight Rupes Cauchy, viewable on Wednesday night and located in the NE quadrant of the Field Map at J13. Rupes Cauchy: [NE/J13; L=37°
The Best Place to see Rilles on the Moon
The week of June 24-30 takes us from Lunar Day 19 to Day 25. This week we will highlight Rima Ariadaeus, located near the western edge of Mare Tranquillitatis in the NE quadrant of the Field Map at J11. It
Two Faults on the Moon Paralleled by a Nearby Rille
The week of May 6-12 takes us from Day 28 to Day 5. This week we will highlight Rupes Cauchy, viewable on Sunday evening, May12, Day 5, and located in the NE quadrant of the Field Map at J13. Rupes
Hippalus Rilles on the Moon
The week of April 15-21 takes us from Day 8 to Day 13. This week we will highlight Rimae Hippalus, the Hippalus Rilles, viewable on Thursday and Friday evening and located in the SW quadrant of the Field Map at
Rimae Sirsalis – Series of Rilles on the Moon
The week of October 9-15 takes us from Day 25 to Day 1. This week we will highlight a series of rilles called Rimae Sirsalis, located in the SW quadrant of the Field Map and viewable on Tuesday morning before
Enigma of the Moon – Triesnecker Rilles
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
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.