Bit of a boost

2019-03-06 02:03:06

A tougher test than expected awaits two experimental ion thrusters aboard the Artemis research satellite launched this month. Booster failure left Artemis too close to Earth, so the thrusters will help lift the satellite 18,000 kilometres into its correct geostationary orbit. The extra use of fuel will shorten the expected life of the satellite. “If we get 6 to 7 years, we’re still happy,