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space science definition
- The region of the universe beyond Earth's atmosphere.
♦ The part of this region within the solar system is known as interplanetary space .
♦ The part of this region beyond the solar system but within the Milky Way or within another galaxy is known as interstellar space .
♦ The part of this region between the Milky Way and other galaxies is known as intergalactic space . - The familiar three-dimensional region or field of everyday experience.
- Mathematics A mathematical object, typically a set of sets, that is usually structured to define a range across which variables or other objects (such as a coordinate system) can be defined.
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