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science

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celestial bodies
Denotes any mass of natural matter of a certain size, located in space.

solar system , Sun , Moon , galaxy , planets and satellites , meteorite , comet , star

astronomical observation image

astronomical observation
Observation of phenomena occurring in the celestial sphere.

refracting telescope , reflecting telescope , astronomical observatory , planetarium , celestial coordinate system , radio telescope , Hubble space telescope

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astronautics
Science of navigation in space and all of its related human activities.

space probe , space shuttle , space launcher , spacesuit , international space station