The Space Launch System (SLS) represents the first time in decades that Nasa has made a rocket anything like as powerful. It was successfully fired lying down in the Utah desert, the first of two tests before it is sent off to Nasa’s Kennedy Space Centre for its first flight.
But it’s unclear whether the rocket will ever be able to make it into space. With limited funding from the American government, the future of Mars and other missions are unclear — even though it will have the most advanced and powerful rockets and systems for sending people to space, Nasa might not be able to pay for it to actually undertake its journey.
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