On September 22, NASA's OSIRIS-
OSIRIS-Rex was launched in September 2016 on an ambitious seven-year mission to return an asteroid sample to Earth for detailed analysis. While the Atlas V 411 rocket was powerful enough to lift the 2.3 ton (2 tonne) spacecraft out of Earth's atmosphere and send it on its way, the probe still needed a little extra help from Earth's gravity if it hoped to rendezvous with its target.
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