Our Clinical Policy Bulletins (CPBs) explain the medical, dental and pharmacy services we may or may not cover. They are based on objective, credible sources, such as the scientific literature, guidelines, consensus statements and expert opinions.
If Phobos is a captured carbonaceous asteroid, as Mars experts generally believe, it would have a lot of water. Paine explains: ``With solar energy to split the water into hydrogen and oxygen, it could become ... a very valuable refueling base for spacecraft moving around the inner solar system. In '88, the Soviets will be making the first probes to determine its content and the feasibility of developing such capabilities.''
ncs expert 88
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