GOCE satellite achieves drag-free perfection (w/Videos)
Tuesday, May 26, 2009 - 13:21
in Astronomy & Space
(PhysOrg.com) -- ESA's gravity mission GOCE has achieved a first in the history of satellite technology. The sophisticated electric propulsion system has shown that it is able to keep the satellite completely free from drag as it cuts through the remnants of Earth's atmosphere - paving the way for the best gravity data ever.