The week of October 1-7 takes us from Day 22 to Day 28. This week we will highlight the crater Lalande A and its environs, visible after midnight on Monday. Lalande A: [SW/K9] As craters increase in size, their morphology
Petavius: One of the Most Fascinating Floor-Fractured #Craters on the #Moon
The week of September 10-16 takes us from Day 1 to Day 7. This week we will highlight the crater Petavius, viewable on Wednesday night. Petavius: [SE/M16] This is one of the most fascinating craters on the Moon. It is
The Moon’s Best Examples of a Lunar Dome
The week of September 3-9 takes us from Day 23 to Day 0 (New Moon). This week we will highlight the Capuanus lunar domes and the Kies Π (Pi) dome, viewable early Tuesday morning. Kies Π (Pi): [SW/M7] Sandwiched in
Cleomedes the First Significant Crater on the #Moon and The Flying Eagle
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
Rilles on the Moon and Their Characteristics
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:
Shock Waves Frozen in Place on the Moon and A Large, Degraded Crater
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
Two Splendid #MoonCraters Described As “Noble, Magnificent, Spectacular, Scarcely Surpassed”
The week of July 30-August 5 takes us from Day 17 to Day 23. This week we will highlight the craters Hercules and Atlas, viewable around 2:00 AM EDT on Tuesday. Hercules and Atlas: [NE/E13-14] Just east of the charmingly
How to Tell Crater Ages by Their Size and Placement
The week of July 16-22 takes us from Day 4 to Day 10. This week we will highlight the craters Thebit and Alpetragius, viewable on Friday evening. Thebit: [SW/M9] On the eastern shore of Mare Nubium, just to the west
The Glow of Earthshine on the #Moon
The week of July 9-15 takes us from Day 26 to Day 3. Because the week straddles New Moon, which is on Thursday, there are no days which are particularly good for viewing the Moon. However, one of the loveliest
Complex of Domes and Lunar Swirls on the Moon
The week of June 25 – July 1 takes us from the end of Day 12, close to full moon, to Day 18. This week we will highlight Mons Rümker, viewable Monday, and the lunar swirl Reiner Gamma viewable all