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3 votes
1 answer
357 views

Eclipses of Jupiter's Moon during Retrograde motion

When Jupiter is undergoing retrograde motion as seen from the Earth, would you expect the eclipses of Jupiter’s moons to occur several minutes early, several minutes late, or neither? Can someone ...
Boring Loop's user avatar
2 votes
1 answer
211 views

How to understand this multi-day exposure photograph of Jupiter and the Moon

This answer includes a stunning photo of the Moon and Jupiter "Trails of the Shifting Moon" by photographer Jin Lu. The caption reads: From the photographer: "I spent 4 days capturing the trail of ...
uhoh's user avatar
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1 vote
0 answers
130 views

Meteor size and frequency distribution for Earth vs. moon or other planets?

I struggle to find an answer to the at-first-sight simple question if or how the size distribution and frequency distribution of incoming rocks hitting the ground or the atmosphere vary from Earth, to ...
B--rian's user avatar
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