astronomy

Question 1

what is a geocentric model?

Answer 1

geocentric model was made by a Greek astronomer Ptolemy, it states that the earth was in the center of the solar system and the sun and other planets orbit around it

Question 2

what is a heliocentric model?

Answer 2

heliocentric model was made by Nicolaus Copernicus which states that the sun was in the center of the solar system with the earth and other planets orbiting it.

Question 3

list the planets in the solar system in order of their distance from the sun.

Answer 3

mercury, Venus, earth, mars, Jupiter, Saturn, Uranus, Neptune.