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Astronomer, Teacher, Musician

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Month: October 2021

Moon Crater Archimedes and Story Behind “Eureka, I have found it!”

moon crater Archimedes

The week of October 25-31 takes us from Day 20 to 25. This week we will highlight the moon crater Archimedes, viewable after midnight on Wednesday, Day 22. Archimedes1: [NW/G9; L=4°W] This is a prominent 50-mile crater with terraces and

Andrew Planck October 25, 2021October 25, 2021 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in October, Lunar Observers No Comments Read more

Floor-Fractured Moon Crater Taruntius

Taruntius Floor Fractured Moon Crater

The week of October 18-24 takes us from Day 13 to 19. This week we will highlight the floor-fractured moon crater Taruntius, visible late Saturday night, Day 18. Taruntius: [NE/J14] Located on the north shore of Fertility, Taruntius is a

Andrew Planck October 18, 2021October 17, 2021 Craters on the Moon, Dates to Observe Objects on the Moon, Floor Fractured Moon Craters, Lunar Days in October, Uncategorized No Comments Read more

Complex and Simple Moon Craters: Eudoxus and Linné

moon craters Aristoteles and Eudoxus

The week of October 11-17 takes us from Day 6 to Day 12. This week we will highlight the moon craters Eudoxus and Linné, viewable on Monday evening. Eudoxus1: [NE/E11; L=16°E] Both Eudoxus and Aristoteles to its north are wonderfully

Andrew Planck October 11, 2021October 10, 2021 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in October, Simple Moon Craters No Comments Read more

Wrinkle Ridge Dorsum Oppel – The Flying Eagle

Under a low Sun this ridge looks remarkably like the silhouette of a bird in flight and has been nicknamed the Flying Eagle

The week of October 4-10 takes us from Day 28 to Day 5. This week we will highlight the wrinkle ridge Dorsum Oppel, a feature informally known as “the Flying Eagle,” viewable on Wednesday night and early Thursday morning. The

Andrew Planck October 4, 2021October 5, 2021 Dates to Observe Objects on the Moon, Lunar Days in October, Ridges 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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