The week of December 7-13 takes us from Lunar Day 22 to Day 29. This week we will highlight Montes Recti, the Straight Range, viewable early Tuesday morning, and the collapse of the Arecibo radio telescope. The Straight Range is
Mare Humorum: One of the Best Examples of Subsidence on the Moon
The week of January 6-12 takes us from Day 11 to Day 17. This week we will highlight Mare Humorum, viewable for the whole week beginning on Monday evening. Mare Humorum: [SW/M6] The Humorum basin is one of the best
Largest dome on the Moon: Valentine Dome
The week of September 2-8 takes us from Day 4 to Day 10. This week we will highlight the Valentine Dome, viewable on Thursday evening. Valentine Dome: [NE/F11] Keep a close eye on the movement of the terminator, and when
Arago Domes
The week of August 5-11 takes us from Day 5 to Day 11. This week we will highlight the Arago domes viewable on Tuesday night. Arago domes: [NE/J12] Near the crater Arago there is a pair of very large domes,
Moon Crater Messier: Pair of Splash Rays that Resemble the Tails of a Comet
The week of Nov. 5-11 takes us from Day 28 (almost New Moon) to Day 4. This week we will highlight the crater Messier, viewable on Sunday during deep twilight (catch it before the Moon gets too low). Messier1: [SE/K14]
5 Spectacular Sites in Space: Rilles, Cobra Head Volcano, Longest Lunar Eclipse of the Century & 12 New Moons Orbiting Jupiter
The week of July 23-29 takes us from Day 11 to Day 16. Full Moon is on Friday. This week we will highlight Rima Marius, visible on Tuesday night at 11:00 PM EDT, also Schröter’s Valley and the Cobra Head
Tycho #MoonCrater: One of the Moon’s Showpieces
The week of May 7-13 takes us from Day 22 to Day 28, two days before New Moon. This week we will highlight the crater Tycho, visible around 3:00 a.m. on Tuesday morning. Tycho1: [SW/P8; L=11°W] Tycho is one of
Fracastorius: One of the Moon’s Best Examples of Subsidence
The week of May 29-June 4 takes us from lunar Day 4 through Day 10. This week we will highlight the crater Fracastorius, visible on Tuesday evening. Fracastorius: [SE/M13; L=33°E] Located on the south shore of Mare Nectaris, this is
Shapes of #MoonCraters Includes “Mickey Mouse Ears”
The week of March 13 – 19 takes us from Lunar Day 16, right after full moon, through Day 21. This week we will highlight the moon craters Cleomedes and Burckhardt, viewable on Thursday evening, in addition to Jupiter and
Mare Frigoris: Northern Boundary Supports “Gargantuan Hypothesis”
The week of October 10th-16th takes us from Lunar Day 9 to the end of Day 15 (essentially still Full Moon). This week we will highlight Mare Frigoris, which is visible throughout the entire week, but starting on Saturday, you’ll