Neighbors of the Earth: Planets, Comets, and the Debris of SpaceThornton Page, Lou Williams Page |
Contents
List of Illustrations | 11 |
Temperatures on Mercury | 11 |
The Pole of Rotation of Venus | 15 |
Copyright | |
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antenna appear asteroids astronomical units atoms aurora bands belt body bright camera centimeter cloud color comet corona crater Cyrillids dark degrees density diameter direction discovery disk distance DORRIT HOFFLEIT dust earth earth's atmosphere eclipse electrons Encke's energy equatorial G. P. Kuiper grams Halley hydrogen indicated infrared interplanetary ionized Jupiter Jupiter's atmosphere kilometers per second known latitude layer lines longitude Lowell Observatory magnetic field Mars Martian mass measured Mercury meteor meteorite meteoroids miles million minor planets molecules moon motion Mount Wilson moving nearly Neptune nucleus Observatory observed orbit origin OTTO STRUVE Perseid photographs planetary Pluto polar produced protons radar radiation radio reflected reflector region result ring rotation period satellites Saturn seen shower Sky and Telescope solar system space spectra spectrum star sunlight surface tail tektites temperature terrestrial theory tion Uranus vapor velocity Venus visible wavelengths Yerkes Yerkes Observatory zodiacal light