Question

complete the text with the best word. heliocentrism is a _________ that states that the planets orbit the sun, which is in the center of the solar system. theory conjecture stipulation submit

Explanation:

• "Theory" means a well - established and tested explanation. Heliocentrism is a well - known and proven concept in astronomy.
• "Conjecture" implies an unproven guess. Heliocentrism is not just a guess but a validated idea.
• "Stipulation" means a condition or rule set. It does not fit the context of describing Heliocentrism as an explanation of the solar system.

Answer:

theory