The week of April 19-25 takes us from Lunar Day 7 to Day 14. This week we will highlight the crater Alphonsus, viewable on Monday night. Alphonsus: [SW/L9] Examine the adjoining rims of Ptolemaeus and Alphonsus. Which crater do you
The week of April 5-11 takes us from Lunar Day 24 to New Moon, so you’ll have to do early morning viewing. This week we will highlight Rimae Ramsden and the Milichius domes in the SW quadrant of the Field
The week of March 29 – April 4 takes us from Lunar Day 16 to Day 23. This week we will highlight a feature called The Great Eastern Chain, located in the SE quadrant of the Moon bordering Mare Fecunditatis.
The week of March 1-7 takes us from Lunar Day 18 to Day 24. This week we will highlight Rupes Cauchy, located on the eastern portion of the Sea of Tranquility. Rupes Cauchy [NE/J13]: One of the best-known faults on
The week of February 22-28 we will highlight Schröter’s Valley, visible Tuesday night. Schröter’s Valley/Cobra Head: [NW/G5-4] Schröter’s Valley is the Moon’s most impressive sinuous rille and was created when a monstrous lava tube collapsed. It begins at a volcano
The week of February 8-14 takes us from Lunar Day 27 to Day 3. New Moon is on Thursday, February 11, so for most of the week, the Moon is not visible. This week we will highlight the crater Petavius.
The week of January 4-10 takes us from Lunar Day 21 to 27. This week we will highlight Hadley Rille, viewable at midnight on Monday. Rima Hadley: [NE/G10] This feature formed as lava from a nearby volcanic vent flowed onto
The week of October 5-11 takes us from Lunar Day 18 to Day 24. This week we will highlight the crater Plinius, viewable on Monday and Tuesday evenings. Plinius: [NE/H12] Standing sentinel between Tranquillity and Serenity is the crater Plinius,
The week of August 17-23 takes us from Lunar Day 28 to Day 5. This week we will highlight the crater Janssen, observable on Sunday evening. Janssen: [SE/P13] Janssen is located 85 miles southwest of the Rheita Valley (which you
The week of July 20-26 takes us from New Moon to Lunar Day 7. This week we will highlight the craters Bürg and Lacus Mortis. Lacus Mortis: [NE/E12; L=27°E] The charmingly named “Lake of Death” is a large lava-flooded crater.