Tag: Rotating

Rotating Vesta

Astronomers combined 146 exposures taken by NASA’s Hubble Space Telescope to make this 73-frame movie of the asteroid Vesta’s rotation. Vesta completes a rotation every 5.34 hours. › Asteroid and …
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(Liquid Metal) MERCURY Rotating MIRROR

We spin mercury and create a natural paraboloidal shape. Because it costs so much to produce large parabolic glass mirrors, some observatories have opted to use liquid mirrors. The problem …
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