Solar System

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What is in our Solar System?

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Our Solar System contains planets, moons, the Sun, and other celestial bodies.

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NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

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What are terrestrial planets?

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Terrestrial planets are rocky planets. In our Solar System, they include Mercury, Venus, Earth, and Mars.

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Which planet is known as the 'red planet'?

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Mars is often referred to as the 'red planet' due to its reddish appearance.

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What is the largest planet in our Solar System?

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Jupiter is the largest planet in our Solar System.

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NGSS.MS-ESS1-3

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What is an ice giant?

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An ice giant is a type of giant planet that has a core of rock and metal surrounded by water, ammonia, and methane ices. Uranus and Neptune are classified as ice giants.

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What is the Sun?

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The Sun is a star at the center of our Solar System, providing light and heat to the planets.

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NGSS.MS-ESS1-1

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What are gas giants?

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Gas giants are large planets that are mostly made of gases. In our Solar System, Jupiter and Saturn are gas giants.

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What is a moon?

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A moon is a natural satellite that orbits a planet. For example, Earth's moon is called 'the Moon'.

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NGSS.MS-ESS1-1

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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 is large enough to be rounded by its own gravity. A dwarf planet is similar but does not clear its orbit of other debris.

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What is the asteroid belt?

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The asteroid belt is a region in space between Mars and Jupiter where many small rocky bodies orbit the Sun.

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NGSS.MS-ESS1-3