Solar System Flashcard Review

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What are gas giants?

Back

Gas giants are large planets that are primarily composed of gases, such as hydrogen and helium, and have thick atmospheres. The four gas giants in our solar system are Jupiter, Saturn, Uranus, and Neptune.

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What holds galaxies together?

Back

Galaxies are held together by gravitational attraction, which is the force that pulls objects with mass towards each other.

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Where is the Asteroid Belt located?

Back

The Asteroid Belt is located between the orbits of Mars and Jupiter in the solar system.

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What is the Kuiper Belt?

Back

The Kuiper Belt is a region of the solar system beyond Neptune that contains many small icy bodies, including dwarf planets like Pluto.

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What is the eighth planet from the Sun?

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Neptune is the eighth and farthest planet from the Sun, known for its deep blue color.

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What are terrestrial planets?

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Terrestrial planets are rocky planets that are closer to the Sun, including Mercury, Venus, Earth, and Mars.

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What is the difference between a planet and a dwarf planet?

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A planet is a celestial body that orbits the Sun and has cleared its orbit of other debris, while a dwarf planet is similar but has not cleared its orbit.

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What is the Oort Cloud?

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The Oort Cloud is a theoretical cloud of icy objects that is believed to surround the solar system at a great distance, beyond the Kuiper Belt.

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

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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.

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What are comets?

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Comets are small celestial bodies made of ice, dust, and rocky material that develop a glowing coma and tail when they approach the Sun.