Saturday Morning Science:
Gyroscopically stabilized CD-player(s) in microgravity onboard the International Space Station.
(April 26, 2003) -- In his final episode of Saturday Morning Science, Expe...
Saturday Morning Science: Gyroscopically stabilized CD-player(s) in microgravity onboard the International Space Station.
(April 26, 2003) -- In his final episode of Saturday Morning Science, Expedition Six NASA ISS Science Officer Don Pettit demonstrates gyroscopic spin stabilization. Pettit floats several portable compact disc players in microgravity that are spinning and not spinning.
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How old are you? This is the kind of questions my 7yrs old daughter keeps asking me. Like why can't you put a man's brain into a chicken. Same kind of question as your "ideas for creating electricity that never runs out"....
Nah, the thing is called "Nutation" and the Astronaut/Engineer doesn't understand it himself since he keeps calling it "nasty oscillations". "Precession" would happen only if he'd KEEP pressing against the players with his fingers. As soon as the finger looses contact with the player, the player stops precession but keeps nutating.
Thanks for the clarification, sorry if my note was smarmy... If we spin a gyroscope on earth then, the force of gravity keeps precession going, but if we toss the gyro up in the air afterward, the off axis rotation of the gyro is nutation, do I have that correct , at least in a general sense?
Exactly -- this example definition of yours probably is actually about the shortest and (still entirely correct) differentiation between precession and nutation anywhere ;)
It is not zero gravity in space there is always some gravity. Ice rocks beyond pluto are still affected by our suns gravity. So our satelites would experience gravity. Places with the lowest gravity are found in regions distant from galaxies.
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G= constant
m1 and m2 are two masses
r is the distance
there is always some kind of gravity even if they cancel each other out