n quite sure of all his findings and mostly improvised through his work. I am doubtful that the princes he served were even able to see what Galileo claimed in Sidereus Nuncius at least in our day and time it seems difficult to get a clear image of the heavens because of light pollution and possibly air pollution such as smog and other industrial chemicals.
             Although Galileo's descriptions of the moon were sometimes very accurate I did not see exactly what he did, which could be a result of the moon's surface changing through time. For instance, the circular orb located near the center of the moon at half moon was not visible to me during my observations. Of the more important facts in Galileo's discourse, I feel that his deduction that the moon is not perfectly spherical and smooth as the Pythagoreans had believed, rather mountainous with many prominence and depressions very much like the textured landscape of earth. Galileo supports these ideas in a logical manner and illustrates them in his observations when the moon is in its different phases. He claims that the dark regions of the moon are shadows cast by the sun. Another detail about the moon that was made more visible to me by the telescope is the circular outline around that moon, even in the dark region, that separates the body of the moon from the ether, which is a term Galileo uses for the rest of the outer space. During this time there was also much debate about the source of the moon's illumination. "Some have said that it is the intrinsic and natural brightness of the moon herself; others that it is imparted to it by Venus, or by al
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