Stars and Planets

Front

What is a planet?

Back

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

Front

What are the two main types of planets?

Back

Inner planets and outer planets.

Front

What are inner planets?

Back

Inner planets are the four planets closest to the sun: Mercury, Venus, Earth, and Mars. They are rocky and smaller.

Front

What are outer planets?

Back

Outer planets are the four planets farthest from the sun: Jupiter, Saturn, Uranus, and Neptune. They are gas giants.

Front

Which planet is known as the 'Red Planet'?

Back

Mars is known as the 'Red Planet' due to its reddish appearance.

Front

What is the largest planet in our solar system?

Back

Jupiter is the largest planet in our solar system.

Front

What do we call the path a planet takes around the sun?

Back

An orbit.

Front

What is a gas giant?

Back

A gas giant is a large planet that is not primarily composed of solid matter, such as Jupiter and Saturn.

Front

What is the sun?

Back

The sun is a star at the center of our solar system that provides light and heat to the planets.

Front

What is a star?

Back

A star is a massive, luminous sphere of plasma held together by gravity, which produces light and heat through nuclear fusion.