
KBC 14: Which of these American astronomers first determined that the Sun is not at the centre of Milky Way galaxy?
Options:
Frank Drake
Edwin Hubble
William K Hartmann
Harlow Shapley
Answer: Harlow Shapley
Harlow Shapley, (born November 2, 1885 in Nashville, Missouri, U.S.—died October 20, 1972 in Boulder, Colorado), American astronomer who deduced that the Sun is near the central plane of the Milky Way Galaxy, rather than at the centre, which is 30,000 light-years away.