What is Eris?
A) an icy object that orbits in the Kuiper belt and is more massive than Pluto
B) the largest known asteroid
C) a moon of Pluto
D) an extrasolar planet ejected by another solar system and captured by ours
A) an icy object that orbits in the Kuiper belt and is more massive than Pluto
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A sinusoidal wave’s angular frequency is (A) larger, (B) smaller, or (C) the same as its frequency in cycles/s.
A. Large B. Smaller C. The same as its frequency in cycles/s.
In size, from largest to smallest, the correct order for the Galilean moons is
A) Callisto, Ganymede, Europa, Io. B) Ganymede, Callisto, Io, Europa. C) Io, Europa, Callisto, Ganymede. D) Europa, Ganymede, Io, Callisto. E) Ganymede, Callisto, Europa, Io.
A quantity that measures the opposition to the flow of charge is __________
Fill in the blank(s) with correct word
Stars of the main sequence all fall in luminosity class ________
Fill in the blank(s) with correct word