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Telescopic Views of Venus Phases and Surface Features

This historical illustration depicts the phases of Venus as observed through a telescope, alongside detailed drawings of surface features. The top section showcases the progression of Venus's phases, from crescent to full, illustrating its orbital path and apparent changes in illumination. Below, a separate diagram highlights "Spots Seen Upon the Surface of Venus," presenting three distinct views of the planet's surface, likely representing observations of continents, islands, and mountains. The accompanying text discusses the historical understanding of Venus, including early theories about its surface and atmosphere, referencing astronomical observations and measurements made by figures like Schröter. This image serves as a valuable visual record of early astronomical study and the evolving knowledge of Venus.

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