Astronomers
Astronomers
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In our eReader you can find the full English version of the book. Read Astronomers Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Astronomers
What reading level is Astronomers book?
To quickly assess the difficulty of the text, read a short excerpt:
Having his theory of spokes in his mind, it then occurred to him to try to do away with the equant and connect the rate of motion of the earth directly with its distance from S.
His first notion was that it was inversely pro- portional to the distance. In order to verify this theory, he divided the orbit into 360 equal parts, and calculated the distance of S to each of these divisions. This calculation was in itself an enor- mous undertaking in the elementary condition in which mathematics then... was. He could find by observation the time taken by the earth to move ^Fom A up to some division at P, and then, if his 106 HEROES OF SCIENCE.
theory were true, the sum of all the distances be- tween S A and S P ought to be to the sum of the whole 360 distances as the time taken by the earth to move from A to P is to a year.
This, however, was not an exact verification, because it assumed that the earth moved at a uniform rate between every two consecutive divisions; and moreover, the time required for so laborious a calculation was enormous.
What to read after Astronomers?
You can find similar books in the "Read Also" column, or choose other free books by E J C Edward John Chalmers Morton to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Having his theory of spokes in his mind, it then occurred to him to try to do away with the equant and connect the rate of motion of the earth directly with its distance from S.
His first notion was that it was inversely pro- portional to the distance. In order to verify this theory, he divided the orbit into 360 equal parts, and calculated the distance of S to each of these divisions. This calculation was in itself an enor- mous undertaking in the elementary condition in which mathematics then... was. He could find by observation the time taken by the earth to move ^Fom A up to some division at P, and then, if his 106 HEROES OF SCIENCE.
theory were true, the sum of all the distances be- tween S A and S P ought to be to the sum of the whole 360 distances as the time taken by the earth to move from A to P is to a year.
This, however, was not an exact verification, because it assumed that the earth moved at a uniform rate between every two consecutive divisions; and moreover, the time required for so laborious a calculation was enormous.
What to read after Astronomers?
You can find similar books in the "Read Also" column, or choose other free books by E J C Edward John Chalmers Morton to read onlineMoreLess
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