Solar System

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What is the Solar System?

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The Solar System is a collection of celestial bodies, including the Sun, planets, moons, asteroids, comets, and meteoroids, that are bound by gravity.

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NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

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How many planets are in the Solar System?

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There are eight planets in the Solar System: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

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What is a rocky planet?

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A rocky planet, also known as a terrestrial planet, is a planet that has a solid surface made of rock and metal. Examples include Mercury, Venus, Earth, and Mars.

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What is the largest planet in the Solar System?

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Jupiter is the largest planet in the Solar System.

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NGSS.MS-ESS1-3

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What is the main component of the Sun?

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The Sun is primarily composed of hydrogen (about 74%) and helium (about 24%).

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NGSS.MS-PS1-1

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What is the difference between terrestrial and gas giant planets?

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Terrestrial planets have solid surfaces and are made of rock and metal, while gas giants are mostly composed of gases and lack a well-defined solid surface.

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Which planet is known as the Red Planet?

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Mars is known as the Red Planet due to its reddish appearance caused by iron oxide (rust) on its surface.

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What is an asteroid?

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

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NGSS.MS-ESS1-3

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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 Kuiper Belt?

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