Quote:
Originally Posted by joeychitwood
Gravity will really mess up the time concept in space. The clocks on GPS satellites go faster than clocks on Earth because they experience less gravity, so a correction is programmed into the GPS system for gravity effects. Gravity also curves space-time, so the distance between two points is longer in a strong gravity field than the same two points in space if a gravity field is not nearby.
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Good analogy, However, satellites would not exist beyond our galaxy.