The smaller Mare Serenitatis (Sea of Serenity, 400 miles across) can be seen immediately to the east of Mare Imbrium. Directions on the Moon’s surface are the same as you’d see on a normal map ...
The study focused on six different sites on the Moon's nearside, including the Oceanus Procellarum, Mare Serenitatis, Mare Imbrium, Mare Tranquillitatis, and Mare Crisium. Analyzing night-time ...
The crater itself is about 50 miles across but its rays spread for almost the diameter of the Moon. See if you can trace the one that crosses the Mare Serenitatis (which you now know about thanks ...