Frozen volatiles such as water ice are a great deal more reflective to S-band radio waves than lunar rocks. Radio waves even have different traits when reflected off ice than off silicate rock. An Examination with the alerts returned from orbit 234 confirmed reflection features suggestive of h2o ice for https://icecapsmoonrock83692.ampblogs.com/5-easy-facts-about-ice-caps-moonrock-described-63165458