Sentences with phrase «radar bright features»

Not exact matches

MESSENGER's maps of polar craters match up nicely with earlier imagery of the poles, taken by Earth - based radars, which showed anomalously bright features — patches that reflected radio waves much better than the surrounding terrain, just as ice does.

But previous radar observations viewed the apparent lakes at an angle, and therefore did not see bright radar glints reflected back from their surface, leaving open the possibility that the features were dry lake beds or patches of soot.

All the bright (radar - reflective) features are believed to be deposits of frozen volatile substances, likely water ice, at least several metres thick in the permanently shaded floors of craters.

This portable performance tool is easy to use with the radar featuring a bright LED Display (can easily be seen from a distance); high speed range from 3mph to 299mph (5kph to 480kph) and speed can be viewed in either MPH or KPH.