Celestial Observations.
Continue to make improvements to my spyglass. I have turned my eyes toward the heavens to observe the moon. It is a remarkable sight. The moon seems to be marked not only with the familiar ancient spots, but also smaller spots, unseen by our natural sight. Over weeks, I have witnessed changes in the shadings that I believe to be shadows on the moon's surface. I continue my observations nightly, but I heartily believe that there exist mountains and valleys on the surface of the moon!
Image: Galileo's wash drawings of the moon.
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