Science
SLS: Crucial test for Nasa’s ‘mega-rocket’ – BBC News
Part of a giant rocket that will send humans back to the Moon has undergone a critical test.
By Paul RinconScience editor, BBC News website
image captionThe orange core stage was filled with more than 700,000 gallons of rocket propellant
The core of a giant Nasa rocket that will return astronauts to the Moon has undergone a crucial test.
For the first time, engineers fully loaded a core stage of the Space Launch System (SLS) rocket with super-cold liquid propellant, controlled it and then drained the tanks.
That propellant is fuel and an oxidiser – a chemical that makes the fuel burn.
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