Question

1. 10/21/25: describe the heliocentric theory. type a response

Explanation:

The heliocentric theory posits that the Sun is at the center of the solar system, with planets (including Earth) orbiting around it. This model contrasts with the earlier geocentric view (Earth - centered). Nicolaus Copernicus is a key figure in its development. It was a revolutionary idea in astronomy as it changed the understanding of the cosmos' structure.

Answer:

The heliocentric theory is the astronomical model where the Sun is at the center of the solar system, and planets (including Earth) orbit around it.