Question

How did astronomers’ understanding of planets shift by the 16th century?

A.
Previously, planets were thought to rotate around Earth, and then astronomers realized planets actually orbited around the Sun.

B.
Previously, planets were thought to orbit the Sun with their moons, and then astronomers realized moons orbited planets, not the Sun.

C.
Previously, planets were thought to orbit in elliptical shapes only, and then astronomers realized they could also orbit circularly.

D.
Previously, planets were thought to orbit black holes, and then astronomers realized that planets orbit their moons.

Answer 1

The Correct choice is A

Before 16th century, people thought that sun revolves around earth. but soon after that time period Astronomers realized that actually planets orbited around the sun.

Answer 2

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The Correct choice is A

Before 16th century, people thought that sun revolves around earth. but soon after that time period Astronomers realized that actually planets orbited around the sun.