Sentences with phrase «radar surveys»

Now Harmon has carried out a new radar survey of Mercury, which shows that the areas which strongly reflect radio waves match closely the positions of polar craters photographed by Mariner 10, the American spacecraft which flew past Mercury in 1974 and 1975.

At least two large, supersalty lakes lie deep beneath an ice cap in far northeastern Canada, a new radar survey shows.

And over the next two field seasons, US researchers will conduct radar surveys from the surface to study Lake Whillans near Antarctica's Ross Ice Shelf, says Ross Powell, a geologist at Northern Illinois University in DeKalb.

In aeroplane radar surveys, researchers fly over the ice, pinging radar signals downwards and measuring how they bounce off the interface between the ice and the bedrock.

Now the results of the latest radar survey of the planet indicate that ice survives Mercury's searing heat by lurking in the shadowed interior of craters at the planet's poles.

Since then, the astronomers have completed a second radar survey of Mars.

Vostok is the best - known subglacial lake and probably the largest that will ever be found, but there are plenty of others, and satellite and radar surveys keep turning up more.

Prior work had revealed some of these interactions in particular fjords, but Josh and his colleagues are now conducting systematic radar surveys of all of Greenland's outlet glaciers, combined with sensors parachuted into the fjords.

The Newark Town Centre Hidden Heritage Group has arranged for ground penetrating radar surveys to be conducted of the.

This was done by radar survey so that they could strategically position the 12 - 18m long concrete piles between the major roots.

Funded by the same European grant as the UK RAID and SUBGLACIOR drills, this radar survey will give a more comprehensive view of the ice thickness.

Radar surveys had overestimated the lake's depth by mistaking 20 feet of gooey mud forming the lake bed for water, said Tulaczyk during a hastily called meeting.