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Hubble Space Telescope

(Encyclopedia)Hubble Space Telescope (HST), the first large optical orbiting observatory. Built from 1978 to 1990 at a cost of $1.5 billion, the HST (named for astronomer E. P. Hubble) was expected to provide the c...

Columbia, U.S. space shuttle

(Encyclopedia)Columbia, U.S. space shuttle. On its 28th flight, on Feb. 1, 2003, after completing a 16-day scientific mission, the spacecraft disintegrated during reentry, killing its seven-person crew. About 16 mi...

ISS

(Encyclopedia)International Space Station: see space exploration; space station. ...

Salyut

(Encyclopedia)Salyut, Soviet space station: see space exploration; space station. ...

Tiangong 1 & 2

(Encyclopedia)Tiangong, Chinese space station: see space exploration; space station. ...

Skylab

(Encyclopedia)Skylab: see space exploration; space station. ...

Ultima Thule

(Encyclopedia)Ultima Thule, in astronomy and space exploration, nickname for Arrokoth. ...

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