Heliocentric vs. Geocentric

Front

What is the Heliocentric model?

Back

The Heliocentric model is a theory that places the Sun at the center of the solar system, with the planets, including Earth, orbiting around it.

Front

What is the Geocentric model?

Back

The Geocentric model is an ancient theory that places Earth at the center of the universe, with the Sun, Moon, stars, and planets orbiting around it.

Front

What are the Terrestrial Planets?

Back

The Terrestrial Planets are the inner planets of the solar system, which include Mercury, Venus, Earth, and Mars. They are characterized by their rocky surfaces.

Front

What are the Gas Giants?

Back

The Gas Giants are the outer planets of the solar system, which include Jupiter, Saturn, Uranus, and Neptune. They are primarily composed of gases and have thick atmospheres.

Front

What does 'geo-' mean?

Back

'Geo-' is a prefix that means 'Earth'.

Front

What does 'helio-' mean?

Back

'Helio-' is a prefix that means 'Sun'.

Front

What force keeps the planets in orbit around the Sun?

Back

Gravity is the force that keeps the planets in their orbits around the Sun.

Front

Which planet is at the center of a Heliocentric system?

Back

The Sun is at the center of a Heliocentric system.

Front

Are inner planets larger than outer planets?

Back

False, inner planets are generally smaller than outer planets.

Front

What is the main difference between the Heliocentric and Geocentric models?

Back

The main difference is that the Heliocentric model has the Sun at the center, while the Geocentric model has Earth at the center.