JWST mirror segments. Credit: NASA
GARS O'Higgins ground station
Sentinel 1 ESA
satellite explosion
Expedition 42 ISS talk
Barbara Mikulski NASA
Mars' Columbia Hills
DigitalGlobe's WorldView-3
French and German flags
Space debris
spacex_simon_says
NTSB SpaceShipTwo crash probe
Mir from STS-89
astronaut human spaceflight
Russian T-90 tanks

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