Andrew Planck

Astronomer, Teacher, Musician

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rupes

Rupes Cauchy and Rupes Recta: Both are Paralleled by a Nearby Rille

Rupes Cauchy and Rupes Recta: Both are Paralleled by a Nearby Rille

The week of September 16-22 takes us from Day 13 to Day 21. This week we will highlight Rupes Cauchy, viewable on Friday and Saturday nights, located in the NE quadrant of the Field Map at J13. Rupes Cauchy: [NE/J13;

Andrew Planck September 16, 2024August 31, 2024 Dates to Observe Objects on the Moon, Faults on the Moon, Lunar Days in September No Comments Read more

Rupes Recta and Rupes Cauchy: Two of the Best-Known Faults on the Moon

Rupes Recta and Rupes Cauchy: Two of the Best-Known Faults on the Moon

The week of December 26 – January 1 takes us from Lunar Day 4 to Day 10. This week we will highlight the fault Rupes Cauchy located on the moon in the NE quadrant of the Field Map and viewable

Andrew Planck December 26, 2022December 20, 2022 Craters on the Moon, Dates to Observe Objects on the Moon, Faults on the Moon, Lunar Days in December, Rilles on the Moon No Comments Read more

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It is highly recommended that you get a copy of Sky and Telescope's Field Map of the Moon, the very finest Moon map available for use at the telescope. It is available for $10.95 at www.skyandtelescope.com and on Amazon. All features mentioned in this blog will be keyed to the grid on the Field Map and will look like this: Plato: [NW/D9]

Credits: Courtesy of Gray Photography of Corpus Christi, Texas Lunar photos: NASA / USGS / BMDO / LROC / ASU / DLR / LOLA / Moon Globe. Used by permission

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Andrew Planck
Andrew Planck
Author and Astronomer Andrew Planck shepherds you to the moon and its mysteries of intrigue and surprise. Learn about the moon’s most fascinating objects, understand how the moon was formed and the names of many of the craters … and why they honor individuals who have changed the course of history.
Andrew Planck
Latest posts by Andrew Planck (see all)
  • Moon Crater Cassini – Created on Imbrium floor Before Lavas Started to Flow - January 19, 2026
  • Bailly – Largest Crater on Our Side of the Moon - January 12, 2026
  • Longomontanus: Exception to the Rule About Moon Crater Age - January 5, 2026
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