Asimov on AstronomyA collection of essays from Dr. Asimov's earlier works explaining scientific puzzles and speculating about the universe, the solar system and the stars. |
From inside the book
Results 1-3 of 88
Page 8
... Sun's high tide . Only “ partially . " Does that mean the Sun's tidal bulges are smaller than the Moon's tidal bulges ? It sure does . The tides follow the Moon . The Sun modifies the Moon's effect but never abolishes it . Surely , one ...
... Sun's high tide . Only “ partially . " Does that mean the Sun's tidal bulges are smaller than the Moon's tidal bulges ? It sure does . The tides follow the Moon . The Sun modifies the Moon's effect but never abolishes it . Surely , one ...
Page 141
... sun in the sky . The author of a story describing such a setting need not ( and usually does not ) worry about the astronomic verities of the situation . The suns are usually described as looking like suns and both ( or all ) are made ...
... sun in the sky . The author of a story describing such a setting need not ( and usually does not ) worry about the astronomic verities of the situation . The suns are usually described as looking like suns and both ( or all ) are made ...
Page 154
... sun is 333,400 times as massive as the earth , and the center of gravity should therefore be 333,400 times as close to the sun's center as to the earth's center . The distance between earth and sun , center to center , is about ...
... sun is 333,400 times as massive as the earth , and the center of gravity should therefore be 333,400 times as close to the sun's center as to the earth's center . The distance between earth and sun , center to center , is about ...
Contents
Time and Tide | 1 |
The Rocks of Damocles | 27 |
The Trojan Hearse | 44 |
Copyright | |
12 other sections not shown
Other editions - View all
Common terms and phrases
absolute magnitude actually Alpha Centauri Andromeda galaxy angular apparent magnitude appeared asteroid astronomers atmosphere average distance Barnard's Star body bright brighter brightest calculate Cepheids circle close comet cometary planetoids consider course craters Delta Cephei density discovered dust Earth effect energy equal Equation explosion fact full Moon galactic giant planets globular clusters Greek heavens hundred Jupiter Jupiter's Kepler's Lagrangian points larger light light-years luminous Magellanic Clouds mass means Mercury meteorite miles in diameter Milky million minutes Moon's move naked eye Neptune Nereid night sky nova nucleus object OBSERVATORIES observer ocean Olbers outer PALOMAR OBSERVATORIES parsecs period of revolution PHOTO planetary planetoids Pluto Population radiation radius reason revolve ring Saturn seemed seen shell sidereal day Sirius smaller solar day solar system space stars Sun's supernova suppose surface area Table telescope temperature Tenth Planet thousand tides Triton Trojan true satellite tug-of-war value universe Uranus Venus visible volume