Planets

Front

What is a heliocentric solar system model?

Back

A model where the Sun is at the center and the planets orbit around it.

Front

What is a geocentric solar system model?

Back

A model where the Earth is at the center and the Sun and planets orbit around it.

Front

What is an AU in astronomy?

Back

An AU, or astronomical unit, is the average distance from the Earth to the Sun, approximately 93 million miles or 150 million kilometers.

Front

True or False: The planets are all equally distanced from each other.

Back

False

Front

What is Pluto classified as?

Back

Pluto is classified as a dwarf planet.

Front

What are the eight planets in our solar system?

Back

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

Front

What is the largest planet in our solar system?

Back

Jupiter.

Front

What is the smallest planet in our solar system?

Back

Mercury.

Front

What is a dwarf planet?

Back

A celestial body that orbits the Sun and is similar to a planet but does not clear its orbit of other debris.

Front

What is the difference between a planet and a dwarf planet?

Back

A planet clears its orbit of other debris, while a dwarf planet does not.