Venus Express is mapping what feature(s) of Venus?
A) elevations of Venus' surface
B) winds in Venus' atmosphere
C) craters on Venus' surface
D) temperatures of the surface and various layers of the atmosphere
E) the composition of various layers of the atmosphere
Question 2
Stefan's Law says:
A) the hotter a star's surface, the bluer it looks to us.
B) E = mc2.
C) the energy radiated by a blackbody is proportional to T3.
D) that if the Sun's temperature were doubled, it would give off 16X more energy.
E) that doubling the star's temperature would also double its peak wavelength.
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