A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1859)
Mattison, Hiram, 1811-1868 · New York, Mason brothers · leaf 90
diameter ? Why greater thanthat of Jupiter ? How appear through telescope ? Cause of her phases ?(Describe phases when east of the sun—west. What prediction beforethe discovery of the telescope ?) TELESCOPIC VIEWS OF VENUS. 85 tion, and is stationary; while her positions opposite the words direct… … 2. Before the discovery of the telescope, it was asserted that if the Copernican theorywere true, Mercury and Venus would exhibit different phases at different times; and asthose phases could not be seen, it was evident that the theory was false. But no soonerhad Galileo directed his small…
Astronomy
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