Aviation refers to the navigation of manned or unmanned aircraft in the Earth's atmosphere; Spaceflight refers to the navigation activities of manned or unmanned spacecraft outside the Earth's atmosphere, also known as space flight or space navigation.
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Aviation refers to the navigation of manned or unmanned aircraft in the Earth's atmosphere; Spaceflight refers to the navigation activities of manned or unmanned spacecraft outside the Earth's atmosphere, also known as space flight or space navigation.
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