Vocabulary: Outer Space

It travels through space for the purpose of visiting or exploring other worlds.

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a person who travels beyond the earth's atmosphere.

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1. It is an astronomical body orbiting Earth as its only natural satellite.

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It is the layer of air or other gases around the earth.

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It means to send it into the air or into space.

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The sun together with the planets and all other bodies that orbit the sun, including moons, asteroids, and comets.

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It is a large, round object in space that moves around a star

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It is the spiral galaxy containing our solar system.

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the star that provides light and heat for the earth.

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They are large numbers of particles orbiting about a planet in a flat disc-shaped region.

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