Frontiers of AstronomyIn clear and simple style, the author brings the great questions of space and time within the grasp of the reader who has no specialized training in mathematics and physics. Major new discoveries in atomic physics and vast improvement in methods of observation have greatly increased knowledge on the "frontiers" in these areas. |
Contents
ODDITIES ABOUT THE EARTH I | 1 |
THE WORKING EARTH | 18 |
THE TAP ROOT | 40 |
Copyright | |
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Andromeda Nebula argument astronomers atoms become blue giants brighter brightness cent centimetre centre Cepheids chapter cloud clusters of galaxies collisions condensation contain core corona cosmic rays craters discussion disk distance dust Earth electrons elements elliptical galaxies emitted energy evolution evolutionary track evolving expansion explosion globular clusters gravitational H-R diagram happens heating helium Hubble's constant hydrogen important initially interstellar gas iron isotope kilometres per second liquid magnetic field main-sequence mass material million degrees million million million parsecs molecules Moon motions neutrons nucleus observed occur origin oscillation outer outwards oxygen Palomar Observatories parsecs particles photosphere planets possess possible present problem produced protons R R Lyrae stars radiation radio-waves rock rotation satellites sequence shown in Fig shown in Plate shrinkage solar atmosphere space speed spiral arms steady-state theory supernova Surface temperature tion Type II stars Universe uranium Venus visible light wavelength white dwarf Wilson and Palomar