Review: Solar System

Front

What are the inner planets?

Back

The inner planets are the four planets closest to the Sun: Mercury, Venus, Earth, and Mars. They are primarily composed of rock and metal.

Front

What are the outer planets?

Back

The outer planets, also known as gas giants, include Jupiter, Saturn, Uranus, and Neptune. They are mostly made up of gases and are much larger than the inner planets.

Front

What is gravity?

Back

Gravity is a force that attracts two bodies towards each other. In the Solar System, the Sun's gravity keeps the planets in orbit around it.

Front

Why do planets revolve around the Sun?

Back

Planets revolve around the Sun because it has the most gravitational force in the Solar System.

Front

What is the largest planet in the Solar System?

Back

Jupiter is the largest planet in the Solar System.

Front

What is an asteroid?

Back

An asteroid is a large, rock-shaped object in space that orbits the Sun and is smaller than a planet.

Front

What is a comet?

Back

A comet is a small celestial body made of ice, dust, and rocky material that, when close to the Sun, displays a visible atmosphere or coma and sometimes a tail.

Front

What is the role of the Sun in the Solar System?

Back

The Sun provides light and heat and has the strongest gravitational pull, which influences the motion of the planets and other celestial bodies.

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What is the difference between a planet and a moon?

Back

A planet is a celestial body that orbits a star, while a moon is a natural satellite that orbits a planet.

Front

What is the Kuiper Belt?

Back

The Kuiper Belt is a region of the Solar System beyond Neptune, filled with small icy bodies, including dwarf planets like Pluto.