...This Balta'd like to be elected planetary president,see—to succeed Wilcox, who has bigger plans... 
Roman Frederick Starzl 「The Martian Cabal」
...This solar and planetary group does not exist solitary in the immensevoid that extends indefinitely around us...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...As to the planetary systems other than our own, we are no longer reducedto hypotheses...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...Hedid not undertake continuous observations, but devoted himself to simplifyingthe planetary systems and devising means for more accurately predicting thepositions of the sun, moon, and planets...
George Forbes 「History of Astronomy」
...In his sixth book he discusses the inclination of the planetary orbits to theecliptic...
George Forbes 「History of Astronomy」
...You then get the planetary distances...
George Forbes 「History of Astronomy」
...It is impossible to give any idea of the interest with which the firstadditions since prehistoric times to the planetary system were received...
George Forbes 「History of Astronomy」
...Huyghens used a metal stripof variable width in the focus, as a micrometer to cover a planetary disc, andso to measure the width covered by the planet...
George Forbes 「History of Astronomy」
...A famous example of this kind of planetary horse-play is furnished by the story of Lexell's missing comet...
Garrett Serviss 「Curiosities of the Sky」
...Indeed, thisdifficulty, which, as we have said, is a natural one, should be dealtwith and removed in any account of the planetary system intended forbeginners...
Richard A. Proctor 「Myths and Marvels of Astronomy」
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