官方藏书 / Science_-_Physics / Astronomy for Young Australians

Astronomy for Young Australians

James Bonwick · Science_-_Physics · 19 章

目录

ASTRONOMY FOR YOUNG AUSTRALIANS.PREFACE TO SECOND EDITION.ASTRONOMY FOR YOUNG AUSTRALIANS.DAILY MOTION OF THE EARTH.ROTUNDITY OF THE EARTH.SIZE OF THE WORLD THE EARTH NOT QUITE ROUND.ANNUAL MOTION.THE SEASONS.PRECESSION OF THE EQUINOXES.FIXED STARS NOT FIXED.DISTANCES AND SIZES OF THE STARS.CONSTELLATIONS.DOUBLE STARS.PERIODICAL AND VARIABLE STARS.MILKY WAY.THE NEBULÆ.THE SUN AND PLANETS.THE FULL PROJECT GUTENBERG™ LICENSE