Andrew Planck

Astronomer, Teacher, Musician

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Gargantuan Basin

Mare Frigoris: Only Lunar Mare Patch Not Circular

Mare Frigoris: Only Lunar Mare Patch Not Circular

The week of November 15-21 takes us from Day 12 to Day 17. This week we will highlight Mare Frigoris. Mare Frigoris: [NW-NE/D6-13; L=54°W] This is the only mare patch that isn’t even roughly circular, although its northern boundary has

Andrew Planck November 15, 2021November 14, 2021 Craters on the Moon, Dates to Observe Objects on the Moon, Lunar Days in November No Comments Read more

Vernal Equinox – Can You Stand an Egg on its End?

Vernal Equinox – Can You Stand an Egg on its End?

The week of March 18-24 takes us from Day 12 to Day 19. This week we will highlight Mare Frigoris and the crater Shickard, viewable on Monday evening. Mare Frigoris: [NW-NE/D6-13] This is the only mare patch that isn’t even

Andrew Planck March 18, 2019March 18, 2019 Dates to Observe Objects on the Moon, Equinox, Lunar Days in March, Unusual Features on the Moon No Comments Read more

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