Surprised I had to go this far down to find someone asking. Yeah you nailed it that's exactly what causes it. Unclear whether the same phenomenon can happen with a sunset, but my assumption is that it would be the reverse effect-- i.e. the sun would start to look more like an arch with the points touching the horizon.
But the moon is always traveling in the same direction, and the earth always rotates in one direction. So, certain alignments and relative movements will be impossible.
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u/NuclearThane 1d ago
Surprised I had to go this far down to find someone asking. Yeah you nailed it that's exactly what causes it. Unclear whether the same phenomenon can happen with a sunset, but my assumption is that it would be the reverse effect-- i.e. the sun would start to look more like an arch with the points touching the horizon.