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Additional explanation: the further away a satellite is from Earth, the slower its velocity, and therefore the longer it takes to make a full orbit around the Earth to come back to the same point above Earth, and therefore the lower its temporal resolution. However, if you go even further away, at some point, the velocity wrt the area below, becomes zero, so the satellite never makes a full orbit around Earth, it just stands still wrt to the area below. At that point, it actually can have a high temporal resolution, because it can take images as often as it wants, of the same area.