A high-school astronomy: in which the descriptive, physical, and practical are combined .. (1859)
Mattison, Hiram, 1811-1868 · New York, Mason brothers · leaf 151
Were a railroad passed through the suns center, and should a train of cars startfrom one side, and proceed on at the rate of 30 miles an hour, it would require 3^ years 811. Describe the sun. How compare with the rest of the system ? 312. What is his form ? Diameter ? Mass, as compared with our… … OF THE SUN. 147 SPOTS ON THE SUN. to cross over ms diameter. To traverse his vast circumference, at the same rate oispeed, would require nearly 11 years. 3. The mean distance of the moon from the earths center is 240.000 miles; conse-quently the diameter of her orbit, which is twice the radius, is…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-193-70.webp)
