Moon Phases 2021 – Northern Hemisphere
This 4K visualization shows the Moon's phase and libration at hourly intervals throughout
2021, as viewed from the Northern Hemisphere. Each frame represents one hour. In addition,
this visualization shows the Moon's orbit position, sub-Earth and subsolar points, and
distance from the Earth at true scale. Craters near the terminator are labeled, as are Apollo
landing sites, maria, and other albedo features in sunlight.
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