NASA’s wheeled rovers have revealed an incredible amount about Mars. From learning about the planet’s wet history and discovering the chemistry of its soil and the puzzling presence of methane in its atmosphere, the rolling robots have been indispensable in painting a picture of one of Earth’s closest neighbors. They are remarkable, but they can’t cover a lot of ground […]
The four main engines of the rocket’s core stage were ignited for eight minutes and 19 seconds on Thursday at NASA’s Stennis Space Centre in Mississippi.
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