The New Encyclopaedia Britannica, Volumes 1-10Encyclopaedia Britannica, 1974 - Reference [1] Propaedia: outline of knowledge and guide to the Britannica.--[2]-[11] Micropaedia: ready reference and index.--[12]-[30] Macropaedia: knowledge in depth. |
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Page 231
... GALAXIES Photograhic studies . The Reference Catalogue of Bright Galaxies ( 1964 ) gives positions , classifications , magnitudes , and other data for 2,599 galaxies brighter than about magnitude 13 ; it replaces the list of 1,249 galaxies ...
... GALAXIES Photograhic studies . The Reference Catalogue of Bright Galaxies ( 1964 ) gives positions , classifications , magnitudes , and other data for 2,599 galaxies brighter than about magnitude 13 ; it replaces the list of 1,249 galaxies ...
Page 244
... galaxies . One of the most striking of all spectroscopic results was the discovery of the apparent expansion of the universe , by the U.S. astronomer Edwin P. Hubble . He found the remarkably regular rule that dis- tant galaxies appear ...
... galaxies . One of the most striking of all spectroscopic results was the discovery of the apparent expansion of the universe , by the U.S. astronomer Edwin P. Hubble . He found the remarkably regular rule that dis- tant galaxies appear ...
Page 253
... galaxies ; and ir- regular systems . In the older literature , external galaxies were often referred to as extragalactic nebulae . The flat disk of spirals , seen projected on the sky as the Milky Way in the case of the Earth's Galaxy ...
... galaxies ; and ir- regular systems . In the older literature , external galaxies were often referred to as extragalactic nebulae . The flat disk of spirals , seen projected on the sky as the Milky Way in the case of the Earth's Galaxy ...
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The New Encyclopaedia Britannica, Volumes 1-10 Encyclopaedia Britannica Publishers, Inc. Staff No preview available - 1974 |
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