The team estimates that the ice sheets, confirmed by radar measurements, are at least 130 metres thick. (newscientist.com)
According to one of the studies, published in the journal Geophysical Research Letters, which used radar measurements from the European Space Agency's Sentinel - 1 satellite, Smith Glacier's «grounding line» — the boundary between the bedrock and the ocean — has been retreating at a rate of 1.24 miles per year since 1996. (ibtimes.com)
Radar measurements of asteroid distances and velocities often enable computation of asteroid orbits much further into the future than would be possible otherwise. (sciencedaily.com)