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Month: August 2018

Cleomedes the First Significant Crater on the #Moon and The Flying Eagle

Flying Eagle and Cleomedes

The week of August 27 – September 2 takes us from Day 16 to Day 22. This week we will highlight the crater Cleomedes, viewable on Monday night, and a feature unofficially called The Flying Eagle, viewable on Tuesday (you

Andrew Planck August 27, 2018August 26, 2018 Craters on the Moon, Lunar Days in August, Ridges on the Moon, Rilles on the Moon, Unusual Features on the Moon No Comments Read more

Rilles on the Moon and Their Characteristics

Rimae Hippalus

The week of August 20-26 takes us from Day 10 to Day 15, full Moon. This week we will highlight a series of rilles: Rima Hesiodus (visible Monday night), and the Hippalus and Ramsden rilles. visible on Tuesday. Rima Hesiodus:

Andrew Planck August 20, 2018August 20, 2018 Lunar Days in August, Rilles on the Moon, Unusual Features on the Moon No Comments Read more

Shock Waves Frozen in Place on the Moon and A Large, Degraded Crater

Altai Scarp (Rupes Altai)

The week of August 13-19 takes us from Day 3 to the end of Day 8. This week we will highlight the Altai Scarp, viewable Friday evening (possibly Thursday) and the crater Hipparchus, viewable on Saturday evening. Altai Scarp (Rupes

Andrew Planck August 13, 2018August 13, 2018 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in August, Unusual Features on the Moon No Comments Read more

de Gasparis Rilles: A Hub of Rille Activity and Marius Hills: The Largest Dome Field

Day 25 de Gasparis rilles and Marius Hills

The week of August 6-12 takes us from Day 23 to the end of Day 1. The only decent views of the Moon will be Tuesday and Wednesday morning before sunrise. This week we will highlight the de Gasparis rilles

Andrew Planck August 6, 2018August 6, 2018 Craters on the Moon, Dates to Observe Objects on the Moon, Domes on the Moon, Lunar Days in August, Mars, 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
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