Sun, Moon and Stars |
Contents
Your Trip to the Moon | 28 |
Phases and Eclipses of the Moon | 37 |
The Moons Size and Distance | 46 |
Copyright | |
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Alpha Centauri Andromeda appear asteroid astronomers atmosphere axis Big Dipper bright star brighter called cause Cepheus circle clouds comet constellation Courtesy of Mount craters dark degrees Deimos diameter Dipper direction disk distance dome dust earth eclipse equator farther feet force full moon galaxy gases gravity Griffith Observatory Harvard Observatory heat horizon inches Jupiter libration Lick Observatory light light-years lines look lunar magnetic magnitude Mars measured meteorite meteoroid meteors mirror moon's motion Mount Wilson Observatory mountains moving nearest nearly nebulae night North Star noticeable observations Palomar Mountain Palomar Observatories parallax parsecs particles photograph photosphere planet plate rays reason revolves rising rotation satellite Saturn seen shadow side Sirius solar system spectroscope spectrum spot groups sun's sunlight sunspots supposed surface telescope temperature tion turn Venus violet visible Yerkes Observatory