Astronautics Space Flight

Download A Comprehensive Book on Lunar Science by Lashay Breedlove PDF

By Lashay Breedlove

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Extra info for A Comprehensive Book on Lunar Science

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The hydroxyl surface groups (S–OH) formed by the reaction of protons (H+) with oxygen atoms accessible at oxide surface (S=O) could further be converted in water molecules (H2O) adsorbed onto the oxide mineral's surface. The mass balance of a chemical rearrangement supposed at the oxide surface could be schematically written as follows: 2 S-OH —> S=O + S + H2O or, 2 S-OH —> S–O–S + H2O where S represents the oxide surface. The formation of one water molecule requires the presence of two adjacent hydroxyl groups, or a cascade of successive reactions of one oxygen atom with two protons.

Wrinkle ridges Wrinkle ridges are features created by compressive tectonic forces within the maria.

As discussed above, an equally plausible hypothesis for the majority of these events is that they are caused by the terrestrial atmosphere. If an event were to be observed at two different places on Earth at the same time, this could be used as evidence against an atmospheric origin. One attempt to overcome the above problems with transient phenomena reports was made during the Clementine mission by a network of amateur astronomers. Several events were reported, of which four of these were photographed both beforehand and afterward by the spacecraft.

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