From Earth to HeavenSeventeen essays about water, mountains, islands, science fiction writing, Nobel Prize winners, fluorine, neutrons, the solar system, and other science topics. |
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Page 216
... years . As for the far distant planet , its period would be the square root of the cube of 6,000 and that comes to ... light - years away . Any planet which is as close as 2 light - years to the Sun must therefore be closer to the Sun ...
... years . As for the far distant planet , its period would be the square root of the cube of 6,000 and that comes to ... light - years away . Any planet which is as close as 2 light - years to the Sun must therefore be closer to the Sun ...
Page 245
... light - years , which means that the radius of the Observable Universe is 13,000,000,000 light - years . This can be called the Hubble Radius . Astronomers have not yet penetrated the full distance of the Hubble Radius , but they are ...
... light - years , which means that the radius of the Observable Universe is 13,000,000,000 light - years . This can be called the Hubble Radius . Astronomers have not yet penetrated the full distance of the Hubble Radius , but they are ...
Page 252
... light - years and was receding from us at four - fifths the speed of light . Suppose , further , we saw it edge - on so that ordinarily its extreme length in the line of sight would be one hundred thousand light - years . Because of ...
... light - years and was receding from us at four - fifths the speed of light . Suppose , further , we saw it edge - on so that ordinarily its extreme length in the line of sight would be one hundred thousand light - years . Because of ...
Contents
INTRODUCTION | 9 |
FROM EARTH | 13 |
OH EAST IS WEST AND WEST IS EAST | 15 |
Copyright | |
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absolute zero acid Alaska anti-neutrino Archimedes Asimov asteroid astronomical astronomical units body Britain charge chemist consider contain craters cubic centimeter CUBIC MILES density diameter DIEGO distance Earth east electron energy equal Equation exchange particle existence fact farthest feet fluorine force fresh water galaxies gases Germany grams gravitational Greek hundred hydrogen fluoride instance Jupiter Lake land light-years mainland Mars mass massive matter means measure meson meters miles per second million Moissan molecules Moon Moon's Mount Everest mountain muon negative muon neutrinos neutron star nuclear nucleus Observable Universe Ocean orbital velocity osmium oxygen parsecs percent period of revolution physicist pion planet population positive muon positron prediction pressure protons pull radius rotation satellite science fiction solar system South speed square miles story Sun's Suppose surface Table temperature tidal bulges tides tion uncertainty principle United volume white dwarf World Island