Unit 8: Solar System

Front

What is a galaxy?

Back

A galaxy is a massive system made up of gas, dust, and hundreds of billions of stars, along with their solar systems, star clusters, and interstellar matter.

Front

What are the inner planets of the solar system?

Back

The inner planets are Mercury, Venus, Earth, and Mars. They are closer to the Sun and are primarily rocky.

Front

Which planet is the farthest from the Sun?

Back

Neptune is the farthest planet from the Sun in our solar system.

Front

What is the third planet from the Sun?

Back

Earth is the third planet from the Sun.

Front

What are moons?

Back

Moons are natural satellites that orbit planets. They can vary in size and composition.

Front

What is the difference between inner and outer planets?

Back

Inner planets are rocky and closer to the Sun, while outer planets are gas giants and farther from the Sun.

Front

What is the solar system?

Back

The solar system is a collection of the Sun and all the celestial bodies that are bound to it by gravity, including planets, moons, asteroids, and comets.

Front

What is the role of the Sun in the solar system?

Back

The Sun is the central star of the solar system, providing light and heat that sustain life on Earth and influence the orbits of planets.

Front

What is an asteroid?

Back

An asteroid is a small rocky body that orbits the Sun, primarily found in the asteroid belt between Mars and Jupiter.

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, develops a glowing coma and tail.