By Harold Hill,Richard Baum
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Starting to be facts, in line with observations from orbiters, landers and telescopes, shows that Mars should still have a number of hidden water reservoirs. furthermore, from the viewpoint of habitability, Mars is a chief objective for astrobiologists looking for extant or extinct microbial lifestyles simply because we all know that lifestyles exists in earth’s permafrost areas, similar to components of Siberia and the Antarctic, that are the nearest terrestrial analogues to Mars.
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A Portfolio of Lunar Drawings (Practical Astronomy Handbooks) by Harold Hill,Richard Baum