The Secret of the UniverseEssays examine such topics as cold fusion, the drug war, the solar system, and iodine |
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Page 148
... gravitational lenses in the sky . In the first place , despite the vast number of telescopically visible stars in the sky , the chances of finding one star exactly , or almost exactly , behind another is so excessively tiny that looking ...
... gravitational lenses in the sky . In the first place , despite the vast number of telescopically visible stars in the sky , the chances of finding one star exactly , or almost exactly , behind another is so excessively tiny that looking ...
Page 154
... gravitational lenses . In the first place , the mere existence of gravitational lenses supports once again the theory of general relativity which , for three quarters of a century , has met every test , and which is the only useful ...
... gravitational lenses . In the first place , the mere existence of gravitational lenses supports once again the theory of general relativity which , for three quarters of a century , has met every test , and which is the only useful ...
Page 155
... lensing material be- tween the quasars and ourselves . Most of the few cases of gravitational lenses so far pinned down have nothing visible between them and us . Perhaps the light passes by a neutron star or a black hole which we ...
... lensing material be- tween the quasars and ourselves . Most of the few cases of gravitational lenses so far pinned down have nothing visible between them and us . Perhaps the light passes by a neutron star or a black hole which we ...
Contents
Smashing the Sky | 3 |
A Change of Air | 17 |
The Changing Distance | 30 |
Copyright | |
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acid Ã…ngstrom archaebacteria Aristarchus Asimov astronomer atmosphere atoms bacteria bodies bromine called cells centimeter chemical chemist chlorine circle close cloud cold fusion color Courtois dark lines detected deuterium diameter discovered distance Earth Earth's orbit elements ellipse essay eubacteria eukaryotes fact farther galaxies Galileo Ganymede giant planets gravitational lenses Greek heat heavenly hominids hydrogen infinite Io's iodine Jupiter kilometers kilometers per second lens light light-years look Mars Martian mass matter Mercury microwaves Milky million kilometers million miles Moon Moon's motion move Neptune nuclei objects ordinary oxygen pass percent perihelion physicist pitch planetary polywater Pons and Fleischmann produced prokaryotes quasars radiation radio waves receding redshift relative rotation satellites seemed side smaller sodium Solar system spectra spectrum speed stars sulfur suppose sure surface telescope tell temperature thing thought tidal effect tiny tion tritium turned Universe Uranus vapor Venus Venus's wavelengths What's