Solar System Review Flashcard

Front

What force keeps the moon around the earth and the Earth around the sun?

Back

Gravity is the force that keeps the moon in orbit around the Earth and the Earth in orbit around the Sun.

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Front

How does the moon get its light?

Back

The moon gets its light by reflecting the sun's light onto the Earth.

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Front

What is a telescope?

Back

A telescope is a tool that makes distant objects appear close.

Front

What properties are important to sustaining life on Earth?

Back

Distance from the sun, the surface of the Earth (land and water), and Earth's protective atmosphere consisting of mostly nitrogen and oxygen are all important for sustaining life.

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Front

What is the definition of orbit?

Back

An orbit is the path that all of the planets, moons, and other space objects take as they go around the sun.

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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.

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Front

What are the inner planets?

Back

The inner planets are Mercury, Venus, Earth, and Mars, which are rocky and closer to the sun.

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Front

What are the outer planets?

Back

The outer planets are Jupiter, Saturn, Uranus, and Neptune, which are gas giants and farther from the sun.

Front

What is a comet?

Back

A comet is a small celestial body made of ice and dust that, when close to the sun, develops a glowing coma and tail.

Front

What is a galaxy?

Back

A galaxy is a massive system that contains stars, star clusters, dust, gas, and dark matter, bound together by gravity.

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