SpaceMashableabout 3 hours ago
Moon phase for June 21: First Quarter
2 min read
On Sunday, June 21, the Moon is at First Quarter phase, with 54% of its surface illuminated. Naked-eye viewers can see Mares Fecunditatis, Serenitatis, and Crisium. Binoculars reveal the Endymion Crater, Posidonius Crater, and Mare Nectaris. A telescope adds the Linne Crater, Descartes Highlands, and Rupes Altai.
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