Houston, April 4 -- Four Artemis astronauts were zooming towards the Moon late Thursday after a major engine firing, a milestone that commits Nasa to the first crewed lunar flyby in more than half a century. With enough thrust to accelerate a stationary car to highway driving speed in less than three seconds, the Orion capsule engine blasted the astronauts on their trajectory towards the Moon, which they now will loop as part of the 10-day Artemis 2 mission. In the moments that followed what the US space agency dubbed a "flawless" firing that lasted just under six minutes, astronaut Jeremy Hansen said that "humanity has once again shown what we are capable of".P12...