Part AIo experiences tidal heating primarily because __________.
a. its elliptical orbit causes the tidal force to vary as Io orbits Jupiter.
b. it is located very close to Jupiter.
c. it is made of relatively soft materials that deform quite easily.
d. it has an elongated shape that makes it look more like an egg than a sphere.
its elliptical orbit causes the tidal force to vary as Io orbits Jupiter.
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Lobate scarps are believed to have formed on the moon when its interior cooled and shrank
Indicate whether the statement is true or false
Star A is located at the top left of the H-R diagram and has the same luminosity as Star B which is located at the top right of the H-R diagram. How must these stars differ?
A. Star A is hotter and smaller than Star B. B. Star A is cooler and bigger than Star B. C. Star A is hotter and bigger than Star B. D. Star A is cooler and smaller than Star B.
Which four moons are believed to have large bodies of liquid water?
What will be an ideal response?
A starship is constructed to be 100 m long in the factory. It is launched and as it coasts by Earth, it is measured to be shortened to 5.48 m long
(a) How fast, in terms of the speed of light, is it moving past Earth? (b) What length does the ship's crew measure for the ship?