A Course of Six Lectures on Astronomy; Delivered in the City of New York

A Course of Six Lectures on Astronomy; Delivered in the City of New York

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1848 edition. Excerpt: ...to that amount was as eleven millions to one. He had brou ht all the powers of analysis itself into the calcu ations, and the probabilities of his being in error were as I have stated. But it seemed as if Chance was not to have its peculiar dominion invaded in this way, and. if I may be allowed to use the expression, Chance determined to chastise the hand that had ventured to draw aside the curtain and unveil her mysteries; for it has been proved most positively that that one chance out of eleven millions was the one that turned up, and La Place was wrong. (Applause) The fact was, the measurements had been made indifferently and a long time ago. He had used a computation made upon a little body called Encke's Comet, and from the ethereal mass of the elements of this ghost of a world, so filmy that it has not the power to lessen even the lightofthe smallest stars that shine through it, he had made his calculation of the mighty orb of Jupiter. The mass of Jupiter, as computed by La Place, was employed to determine how much disturhance existed there, and there was not enough. So when this mass was applied to other calculations. and suspicions were aroused that it was inaccurately calculated. it excited other measurements, until at length all agreed very accurately in giving the mass of Jupiter such, that 1049 such bodies-= would make one Sun. We proceed now to the Structure of our System. It will be remembered by all who heard me in my Second Lecture, that the older planets were for I long time known. They are arranged according toa very curious law, with reference to their distance from the Sun. It is known, for example, that when passing out from the Sun to Mercury, and fromMercury to Venus, there is a certain ratio of dis-. tance, ...show more

Product details

  • Paperback | 38 pages
  • 189 x 246 x 2mm | 86g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236759729
  • 9781236759726