Subj : Stargazing News - September 13th, 2024
To   : All
From : CJ
Date : Thu Sep 12 2024 06:01:13

Friday, September 13, 2024

Major Mare Imbrium (evening)

On Friday, September 13, the lunar terminator will fall just beyond the
western rim of Mare Imbrium, the Sea of Rains, allowing it to be fully
illuminated. That dark, circular feature dominates the northwestern quadrant
of the moon's Earth-facing hemisphere. The mare is the moon's largest impact
basin, measuring more than 715 miles (1,145 km) in diameter. It was formed
during the late heavy bombardment period approximately 3.94 billion years
ago. Telescope views of Mare Imbrium at this phase will reveal ejecta
blankets around its major craters (Aristillus and Archimedes), several
nearly-submerged ghost craters (Cassini and Wallace), and numerous subtle
wrinkle ridges (Heim, Stille).

(Data Courtesy of Starry Night)
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