Ancient Astronomers and Planet Order

Front

What is the sun-centered solar system called?

Back

The heliocentric model.

Front

Which two planets does the Asteroid Belt lie between?

Back

Jupiter and Mars.

Front

Do planets that are farther from the sun have a longer year?

Back

True.

Front

What are the 4 outer planets called?

Back

Gas giants.

Front

Who was the ancient Greek astronomer that believed in the geocentric model?

Back

Ptolemy.

Front

What is the geocentric model?

Back

A model of the solar system where Earth is at the center.

Front

What are terrestrial planets?

Back

Planets that are rocky and closer to the sun, like Earth and Mars.

Front

What are gas giants?

Back

Large planets that are mostly made of gas, like Jupiter and Saturn.

Front

What is the order of the planets from the sun?

Back

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

Front

What is an asteroid?

Back

A small rocky body orbiting the sun, mainly found in the Asteroid Belt.