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 200
... means nothing in itself , of course . Some of our own weather satellites have taken numerous pictures of the Earth ... mean no signs of man ; I mean no signs of any life at all . And , mind you , we know where to look for signs of life ...
... means nothing in itself , of course . Some of our own weather satellites have taken numerous pictures of the Earth ... mean no signs of man ; I mean no signs of any life at all . And , mind you , we know where to look for signs of life ...
Page 214
... mean distance D1 from the Sun and planet - 2 is at mean distance D. ( " Mean " means " average . " ) Their periods of revolution are , respectively , P1 and P2 . Then , by Kepler's harmonic law , we can say that : P / P = D / D2 ...
... mean distance D1 from the Sun and planet - 2 is at mean distance D. ( " Mean " means " average . " ) Their periods of revolution are , respectively , P1 and P2 . Then , by Kepler's harmonic law , we can say that : P / P = D / D2 ...
Page 215
Isaac Asimov. the astronomical unit is defined as the mean distance of the Earth from the Sun. Consequently , the Earth is 1 A.U. from the Sun , which means that D , and D.3 both equal 1 . The denominators of both fractions in Equation ...
Isaac Asimov. the astronomical unit is defined as the mean distance of the Earth from the Sun. Consequently , the Earth is 1 A.U. from the Sun , which means that D , and D.3 both equal 1 . The denominators of both fractions in Equation ...
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