- #1
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Cassini has been flying around our solar system since 1997 and it still has years of flying to go.
how much fuel does it have on board (or did have when it first set off)
it can't be burning fuel all the time surely, it must use momentum for long journeys.
how much fuel does it have on board (or did have when it first set off)
it can't be burning fuel all the time surely, it must use momentum for long journeys.