...The transformation ofmotion into heat, and the combination of the cometary gases with theoxygen of our atmosphere might produce a conflagration, or a generalpoisoning of the atmosphere... 
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...Subsequently sodium and iron lines were found in cometary spectra...
Garrett Serviss 「Curiosities of the Sky」
...'' Pogson searched in the place indicated and saw a cometary mass retreating into the southern heavens, where it was soon swallowed from sight!...
Garrett Serviss 「Curiosities of the Sky」
...The hydrocarbon bands are, however,not always the only features visible in cometary spectra...
Robert Stawell Ball 「The Story of the Heavens」
...Their eccentric and irregular paths may undergothe most enormous derangements; indeed, the history of astronomycontains many instances of the vicissitudes to which a cometary careeris exposed...
Robert Stawell Ball 「The Story of the Heavens」
...And it was thus, underthe name of cometary orb, that the seventh child of the Sun wasannounced...
Camille Flammarion Frances A. Welby 「Astronomy for Amateurs」
...For a full account of the wonders of the cometary world the reader is referredto books on descriptive astronomy, or to monographs on comets...
George Forbes 「History of Astronomy」
...He also directed his attention to the study of cometary bodies, andarrived at certain conclusions with regard to the nature of theirmovements...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...We must recollect that the veil drawnbetween the cluster and the telescope was not a thin curtain; it was avolume of cometary substance many thousands of miles in thickness...
Robert Stawell Ball 「The Story of the Heavens」
...Indeed, in certain cases, jets of cometary material are actuallyprojected towards the sun...
Robert Stawell Ball 「The Story of the Heavens」
...As the time drew nigh, three-quarters of a century afterwards,astronomers were greatly interested in this first cometary prediction,and kept an eager look-out for "Halley's comet...
Oliver Lodge 「Pioneers of Science」
...Halley saw it in 1682, and predicted itsreturn in 1758 or 1759—the first cometary prediction...
Oliver Lodge 「Pioneers of Science」
...The cometary discoveries of these men afford anexcellent illustration of how much can be done with the smallest meanswhen one sets to work in the right spirit...
Simon Newcomb 「Side-lights on Astronomy and Kindred Fields of Popular Science」
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