Monday May 20, 2024

The Aristarchus Plateau (all night)

Three prominent craters break up the expanse of Oceanus Procellarum, the
broad dark region on the left-hand (western) half of the moon. Large
Copernicus is the easternmost crater. Its extensive, ragged ray system intermingles with that of smaller Kepler to its southwest. The very bright crater Aristarchus positioned to the lunar northwest of them occupies the corner of a diamond- shaped plateau that is one of the most colorful regions
on the moon. NASA orbiters have detected high levels of radioactive radon there. Use a telescope and high magnification to view features like the
large, sinuous rille named Vallis Schrsteri. Its snake-like form begins
between Aristarchus and next-door Herodotus and meanders across the plateau.

(Data courtesy of Starry Night)
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