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Space Science

Chebat

TermDefinition
Density a measure of the amount of matter in a volume; mathematically, density equals mass divided by volume.
EVA extravehicular activity; a spacewalk.
Friction the force of resistance when one object moves against another.
Galaxy a ver, very large grouping of stars, held together by gravitation and distinctly separated from another large grouping of stars.
GBS ground based satellites; the name given to telescopes on Earth that work in partnership with space based satellites/telescopes.
Gravitation attraction that exists between any objects due to their mass.
Gravity attraction that exists between objects with mss; on the surface of planet Earth gravity is the attraction of the Earth for an object.
HALCA Highly Advanced Laboratory for communication and astronomy; a space based radio telescope.
Created by: MCESeniorScience
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