Celestial Objects - Vocab

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Terrestrial

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On or of Earth; refers to celestial objects that are rocky and solid, like Earth, Mars, Venus, and Mercury.

Tags

NGSS.MS-ESS2-3

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Celestial Objects

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Objects, such as planets, moons, and stars, that are located in space.

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

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Solar System

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A star and the group of planets and other celestial bodies that are held by its gravitational attraction and revolve around it.

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

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Outer Planets

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Jupiter, Saturn, Uranus, and Neptune, whose orbits lie beyond the asteroid belt.

Tags

NGSS.MS-ESS1-3

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Asteroids

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Large and small rocks or metallic masses orbiting the Sun; made up of materials similar to those that formed the planets.

Tags

NGSS.MS-ESS1-3

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Meteoroid

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A small rocky or metallic body in outer space, smaller than an asteroid.

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Comet

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A celestial body of ice, dust, and rock with an elongated and elliptical orbit around the Sun.

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Gravity

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The force that causes objects with mass to attract one another.

Tags

NGSS.MS-PS2-4

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Planet

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

Tags

NGSS.MS-ESS1-3

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Moon

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A natural satellite that orbits a planet.

Tags

NGSS.MS-ESS1-1