The Solar System

Front

What is the main star in our solar system?

Back

The Sun.

Front

How many planets are in our solar system?

Back

8.

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. Example: Pluto.

Front

What is the habitable zone?

Back

The region around a star where conditions may be right for liquid water to exist on a planet's surface.

Front

Which planet is known as the Red Planet?

Back

Mars.

Front

What is the largest planet in our solar system?

Back

Jupiter.

Front

What are the four terrestrial planets?

Back

Mercury, Venus, Earth, and Mars.

Front

What are gas giants?

Back

Planets that are primarily composed of hydrogen and helium. Example: Jupiter and Saturn.

Front

What is an asteroid belt?

Back

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

Front

What is a comet?

Back

A small icy body that, when passing close to the Sun, heats up and begins to release gases, forming a glowing coma and tail.