What prevents satellites such as the space shuttle from falling?
A) gravity
B) centripetal force
C) centrifugal force
D) the absence of air drag
E) Nothing, they continually fall all around Earth.
E
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Which of the following phenomena can be seen only when the sun is behind you and it is raining in front of you?
A. sundog B. sun pillar C. halo D. rainbow
Europa, a moon of Jupiter, has a liquid ocean that remains in that state due to gravitational friction and to heat escaping from its interior
Indicate whether the statement is true or false
___ thin, delicate, fibrous, ice-crystal clouds with hooked filaments called "mares' tails"
1) Cirrus 2) Cirrostratus 3) Cirrocumulus 4) Altostratus
Due to the structure of ice crystals, halos can only be found 22 degrees from the Sun
Indicate whether the statement is true or false