What did radar astronomers find in the polar regions of Mercury?
A)rift valleys
B)large mare basins, such as near our Moon's south pole
C)water ice that never melts in the deep craters
D)polar caps of dry ice that vary seasonally, much like Mars
E)auroral displays much like Earth's

Question

Quizplus · Accepted Answer

Radar astronomers found evidence of water ice that never melts in the deep craters of Mercury's polar regions. Radar astronomers found evidence of water ice that never melts in the deep craters of Mercury's polar regions.

What Did Radar Astronomers Find in the Polar Regions of Mercury