Solar System Review

Front

What is the largest planet in our solar system?

Back

Jupiter is the largest planet in our solar system.

Front

What are the four terrestrial (rocky) planets in our solar system?

Back

Mercury, Venus, Earth, and Mars are the four terrestrial planets.

Front

What is the Asteroid Belt?

Back

The Asteroid Belt is a region of space between Mars and Jupiter where many small rocky bodies orbit the Sun.

Front

What defines a dwarf planet?

Back

A dwarf planet is a celestial body that orbits the Sun, is spherical in shape, but has not cleared its orbit of other debris.

Front

How many known dwarf planets are there in our solar system?

Back

There are 5 known dwarf planets in our solar system.

Front

What is the main difference between gas giants and terrestrial planets?

Back

Gas giants are large planets with thick atmospheres made mostly of hydrogen and helium, while terrestrial planets are rocky and have solid surfaces.

Front

Which planet is known for its extensive ring system?

Back

Saturn is known for its extensive ring system.

Front

What is the Kuiper Belt?

Back

The Kuiper Belt is a region of the solar system beyond Neptune, populated with many small icy bodies and dwarf planets.

Front

What is the significance of the Oort Cloud?

Back

The Oort Cloud is a theoretical cloud of icy bodies that is believed to surround the solar system and is the source of long-period comets.

Front

Which planet has the longest orbit around the Sun?

Back

Neptune has the longest orbit around the Sun, taking about 165 Earth years to complete one revolution.