October 21, 2018

Astro-Challenge of the Week: Aristarchus & the TLP.

This week, we turn your attention to the waxing crescent Moon and an enduring mystery that surrounds a unique crater; Aristarchus. About 40 km across, this crater was named after the Greek scientist Aristarchus of Samos by map maker Giovanni Riccioli. This lone crater sits on the Aristarchus plateau amid the Mare Oceanus Procellarum. This crater is near the lunar limb and becomes visible during the early waxing crescent phase, and is markedly brighter than the surrounding lunar plains.

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