Solar System Flashcard

Front

What is the Oort Cloud?

Back

The Oort Cloud is a spherical collection of icy debris located beyond the Kuiper Belt, believed to be the source of long-period comets.

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What is the outermost planet in the solar system?

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Neptune is the outermost planet in the solar system.

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Which planet is the hottest in the solar system?

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Venus is the hottest planet in the solar system due to its thick atmosphere that traps heat.

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What are Terrestrial planets?

Back

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

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What are Jovian planets?

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Jovian planets, also known as gas giants, include Jupiter, Saturn, Uranus, and Neptune, characterized by their large sizes and gaseous compositions.

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What is the Asteroid Belt?

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The Asteroid Belt is a region located between the orbits of Mars and Jupiter, containing numerous rocky bodies.

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What defines a planet?

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

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What is the Kuiper Belt?

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The Kuiper Belt is a region of the solar system beyond Neptune, populated with small icy bodies and dwarf planets like Pluto.

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What is a comet?

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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.

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What is the difference between a meteoroid, meteor, and meteorite?

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A meteoroid is a small rock or particle in space, a meteor is the streak of light produced when a meteoroid enters the Earth's atmosphere, and a meteorite is a meteoroid that survives its passage through the atmosphere and lands on Earth.