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The "I don't get it thread"	by Control	2002-06-14 00:16:23
Certainly...	by Mordeo	2002-06-14 00:22:40
What about "reaction mass" then?	by Beorn	2002-06-14 00:27:42
Reaction mass.	by breezeblock	2002-06-14 01:20:35
Aircraft move through air by pushing against it or pulling through it. ie propellers "pull" an aircraft through the air and jets "push" an aircraft against it. Spaceships dont have any air to push against so what they do is throw some of its own mass away from itself (usually as a compressed gas). the mass goes one way and the ship goes the opposite way. This mass is called reaction mass.
[ Reply ]
Yeah, that's what I thougt.	by Beorn	2002-06-14 02:36:12
's easy!	by breezeblock	2002-06-14 03:46:24

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