Download PDF by Robert Burnham Jr.: Burnham's Celestial Handbook: An Observer's Guide to the

By Robert Burnham Jr.

ISBN-10: 048623567X

ISBN-13: 9780486235677

This finished insurance of the hundreds of thousands of celestial gadgets open air our sun procedure. quantity II of the three-volume paintings includes entries from Chamaeleon to Orion.

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Extra info for Burnham's Celestial Handbook: An Observer's Guide to the Universe beyond the Solar System (1

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The boldness and novelty of Galileo’s claims, and the sudden fame he gained, provoked criticism from some of his contemporaries. Astronomers found it difficult to duplicate Galileo’s observations. Well–crafted telescopes of twenty or thirty power were not readily available. Furthermore, not every telescopic observer was as patient, persistent, and skilled as Galileo. The use of the telescope in astronomy raised serious objections. Critics distrusted information gathered by this new instrument. The telescope appeared to distort physical reality.

His most elaborate description of lunar life and culture appears in Somnium (Dream), published posthumously in 1634. It contains his final and definitive statement on the motions, physical features, and flora and fauna of the Moon. Kepler wrote Somnium to promote the acceptance of the Copernican system. He intended to advance it by comparing the relative motions of the Moon and Earth and demonstrating the probable existence of Earthlike creatures on the Moon. In his book, Kepler viewed the universe from the perspective of an observer on the Moon and drew parallels between the Moon and Earth.

These observers used sighting and angle-measuring instruments that did not include magnifying lenses of any sort. The classic refracting telescope, consisting of a tube with an eyepiece at one end and a larger objective lens at the other, first appeared around 1609, more than sixty years after Copernicus’s death. The Copernican revolution did not originate in a new set of observations made with a novel scientific instrument. It was an intellectual revolution inspired by changes in the way early modern scientists thought about the structure of the universe.

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Burnham's Celestial Handbook: An Observer's Guide to the Universe beyond the Solar System (1 by Robert Burnham Jr.

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