When did humans learn that the Earth is not the center of the universe?
A. within the past 500 years
B. about 2,500 years ago
C. about 1,000 years ago
D. We haven't; there is still considerable scientific debate about whether Earth is the center of the universe.
Answer:A
When did humans learn that the Earth is not the center of the universe?
A. within the past 500 years B. about 2,500 years ago C. about 1,000 years ago D. We haven't; there is still considerable scientific debate about whether Earth is the center of the universe.