Solar System

Front

What is the center of our solar system?

Back

The Sun.

Front

How many planets are there in our solar system?

Back

There are 8 planets.

Front

Are all rotation and revolution lengths the same for each planet?

Back

No, they are not.

Front

Which celestial body was redefined as a dwarf planet in 2006?

Back

Pluto.

Front

What is the Kuiper Belt?

Back

A region of thousands of small bodies outside the orbit of the planets, consisting of 'ices' such as ammonia, water, and methane.

Front

What is a planet?

Back

A celestial body that orbits a star, is spherical in shape, and has cleared its orbit of other debris.

Front

What is a dwarf planet?

Back

A celestial body that orbits the Sun and is similar to a planet but has not cleared its orbit.

Front

Name the four terrestrial planets in our solar system.

Back

Mercury, Venus, Earth, and Mars.

Front

Name the four gas giants in our solar system.

Back

Jupiter, Saturn, Uranus, and Neptune.

Front

What is the asteroid belt?

Back

A region between Mars and Jupiter where many small rocky bodies orbit the Sun.