The week of June 29-July 5 takes us from Lunar Day 9 to Day 16. This week we will highlight Mare Imbrium, viewable throughout the week. Mare Imbrium: [±NW/F8] The Imbrium basin was created 3.9 billion years ago when an
The week of June 22-28 takes us from Lunar Day 2 to Day 8. This week we will highlight the crater Messier, viewable on Wednesday evening. Messier1: [SE/K14] One of my favorite objects on the Moon is a small pair
The week of June 15-21 takes us from Lunar Day 24 to New Moon. This week we will highlight the crater Gassendi, viewable early Tuesday morning. Gassendi: [SW/L5; L=40°W] Three generations of crater age can be easily observed on Mare
The week of June 8-14 takes us from Lunar Day 18 to Day 23. This week we will highlight Sinus Iridum, viewable early Sunday morning. Sinus Iridum: [NW/E6] Sinus Iridum (the Bay of Rainbows), located in the northwest sector of
The week of June 1-7 takes us from Lunar Day 10 to Day 17. This week we will highlight two rilles: Rima Hesiodus and Rimae Ramsden. Rima Hesiodus: [SW/N7-M8; L=20°W] The linear rille Rima Hesiodus is a graben (a special
The week of May 25-31 takes us from Lunar Day 3 to Day 9. This week we will highlight the ghost crater Lamont. Lamont: [NE/J12] About 100 miles (1.5 arc-minutes) off the western shore of Tranquility is a remarkable series
The week of May 11-17 takes us from Lunar Day 20 to Day 25. This week we will highlight Rima Hyginus, viewable Wednesday morning, and Mare Vaporum, viewable Wednesday & Thursday mornings. Mare Vaporum: [NE/H10; L=4°E] Notice how there are
The week of May 4-10 takes us from Lunar Day 12 to Day 19. This week we will highlight the Sirsalis Rilles and the crater Galilaie, viewable on Tuesday evening. Rimae Sirsalis: [SW/L3-4] Just in from the southwest shore of
The week of April 27 – May 3 takes us from Lunar Day 5 to Day 11. This week we will highlight the crater Manilius and the Sulpicius Gallus Rilles, viewable on Wednesday evening, Day 7. Sulpicius Gallus Rilles: [NE/G10-11]
The week of April 20-26 takes us from Lunar Day 27 to Day 3. This week we will highlight the craters Endymion and Aristarchus, viewable on Sunday evening. One of the loveliest views of the Moon can be seen around