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Use the search bar above to find specific subjects — try queries like "Apollo 11," "Hubble Deep Field," "Mars surface," or "astronaut EVA." You can also filter by media type (image, video, or audio). For a daily curated experience, visit the Astronomy Picture of the Day.
Showing results for "Replacement"
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An animation of a rotating Orbital Replacement Unit Carrier as prepped for the Hubble Space Telescope Servicing...
Work began on March 11, 2010 to replace a set of elevation bearings on the giant Mars antenna at NASA Deep Space...
Replacing a space station communications antenna, another round of testing for our lunar roving robot, and...
STS061-47-014 (8 Dec 1993) --- Astronaut Kathryn C. Thornton lifts the Corrective Optics Space Telescope Axial...
Outside the International Space Station, Expedition 61 Flight Engineers Christina Koch and Jessica Meir of NASA...
Battery Modules. The six batteries currently on board the observatory are all original equipment. After more than 17...
ISS035-E-025557(22 April 2013) ---Multi-user Droplet Combustion Apparatus (MDCA) Hardware Replacement: Cassidy...
ISS035-E-025557(22 April 2013) ---Multi-user Droplet Combustion Apparatus (MDCA) Hardware Replacement: Cassidy...
Hubble was designed to use three of six onboard gyroscopes to meet its very precise pointing requirements, with the...
Battery Modules. The six batteries currently on board the observatory are all original equipment. After more than 17...
Expedition 39 flight engineer Rick Mastracchio poses for a photo with the replacement Fan Pump Separator (FPS) and...
ISS030-E-117367 (31 Jan. 2012) --- European Space Agency astronaut Andre Kuipers, Expedition 30 flight engineer,...
ISS040-E-064628 (15 July 2014) --- NASA astronaut Steve Swanson, Expedition 40 commander, replaces filters in the...
iss065e032225 (May 11, 2021) --- Expedition 65 Commander Akihiko Hoshide of the Japan Aerospace Exploration Agency...
iss071e439784 (Aug. 5, 2024) --- NASA astronaut and Expedition 71 Flight Engineer Mike Barratt replaces fuel bottles...
ISS040-E-064624 (15 July 2014) --- NASA astronaut Steve Swanson, Expedition 40 commander, replaces filters in the...
ISS028-E-013797 (1 July 2011) --- NASA astronaut Mike Fossum, Expedition 28 flight engineer, replaces a failed...
ISS030-E-177117 (12 March 2012) --- Russian cosmonaut Oleg Kononenko, Expedition 30 flight engineer, performs...
ISS028-E-013799 (1 July 2011) --- NASA astronaut Mike Fossum, Expedition 28 flight engineer, replaces a failed...
iss059e036143 (April 29, 2019) --- Expedition 59 Flight Engineer and NASA astronaut Nick Hague wears personal...
iss072e629219 (Feb. 19, 2025) --- NASA astronaut and Expedition Flight Engineer Butch Wilmore replaces components on...
Battery Modules. The six batteries currently on board the observatory are all original equipment. After more than 17...
Battery Modules. The six batteries currently on board the observatory are all original equipment. After more than 17...
Battery Modules. The six batteries currently on board the observatory are all original equipment. After more than 17...