Which of the following planets was discovered because of its gravitational effect on the orbits of other planets?
A) Jupiter
B) Saturn
C) Uranus
D) Neptune
Correct Answer:
Verified
Q7: How was the mass of Pluto determined?
A)By
Q8: What event led to the demotion of
Q9: Why did William Herschel have to observe
Q10: Which of the following statements is a
Q11: Which of the following best describes the
Q13: What did astronomers learn about Pluto as
Q14: How was Neptune discovered?
A)By accident,while an astronomer
Q15: Which of the following planets sometimes has
Q16: The Pioneer and Voyager spacecraft were used
Q17: What object is not considered to be
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