Searching for Freshwater In Snowy Places
Snowflakes that cover mountains or linger under tree canopies are a vital freshwater resource for over a billion people around the world.
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Archivos de la categoría Astronomy Photos
Expedition 59 Space Station Crew Lands Safely in Kazakhstan
Expedition 59 Space Station Crew Lands Safely in Kazakhstan
The Soyuz MS-11 spacecraft is seen as it lands in a remote area near the town of Zhezkazgan, Kazakhstan with Expedition 59 crew members.
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Preparing for the Expedition 59 Space Station Crew Landing
Preparing for the Expedition 59 Space Station Crew Landing
NASA astronaut and Astronaut Office Representative Joe Acaba is seen along with other NASA, Canadian Space Agency and Roscosmos teams as they deploy from Karaganda for the Expedition 59 landing.
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‘Green’ Alternative Fuel Set for First In-Space Test
‘Green’ Alternative Fuel Set for First In-Space Test
Satellites love hydrazine – a type of space propellant – but it’s toxic to people and extremely difficult to handle. A non-toxic alternative will be put to the test with NASA’s Green Propellant Infusion Mission (GPIM), set to launch on a SpaceX Falcon Heavy rocket.
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Milestone Achieved as X-57 Mod II Takes Shape
Milestone Achieved as X-57 Mod II Takes Shape
The electric motors for X-57’s Mod II vehicle and their propellers were powered up and spun together for the first time as part of an integrated spin test.
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