How does Io get heated by Jupiter?
a. auroras
b. ultraviolet radiation
c. infrared radiation
d. tidal heating
Answer: d. tidal heating
Physics & Space Science
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At Titan, the lakes are made mostly of liquid
A) metallic hydrogen. B) nitrogen. C) carbon dioxide. D) methane. E) water.
Physics & Space Science
In a two-body collision, if the momentum of the system is conserved, then which of the following best describes the kinetic energy after the collision?
a. must be less c. may also be conserved b. must also be conserved d. is doubled in value
Physics & Space Science
Graphical Addition: If three vectors add to zero, they must all have equal magnitudes.
A. True B. False
Physics & Space Science
Stars in the process of forming are called
a. giant planets. b. brown dwarfs. c. red supergiants. d. protostars.
Physics & Space Science