Multiple Choice
What method was used to discover Pluto in 1929-1930?
A) look at irregularities (wobbles) in the motions of Uranus and Neptune
B) use one of the first radio telescopes to measure cold radio waves from Pluto
C) look for patterns in the orbits of the moons of Neptune to see in which direction Pluto would have escaped
D) take pairs of photographs several days apart and "blink" them
E) you can't fool me; Pluto was discovered by Galileo through one of his first telescopes
Correct Answer:

Verified
Correct Answer:
Verified
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Q14: The satellite whose surface is characterized by
Q15: The largest satellite (moon) in the solar
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Q18: The lakes found in the north polar
Q19: What makes the rings of Neptune different
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