ocr: WATER AT THE EQUATOR? The reutron: spectrometer on Vars Odysseylooked a meter into the ground al across the planet 10 determine the amount of hydrogen present, which: scientists infer 10 mean water molecules. The white and brown areus are. almost completely devoid of hydrogen, approachng the dryness of the moon's surtace. As the color changest to yellow, green. and then blue, the: surface becomes increas- inglyrich with hydrogen. The key below shows hydrogen percentage by mass. 1 was no: surprise to see proof of plenty of water around the north pole left glebe). andresearchers hadi theorited t ...
