...Finally, he arrived at the conclusionthat all of these comets were identical, travelling in an ellipse so elongatedthat the part where the comet was seen seemed to be part of a parabolic orbit... 
George Forbes 「History of Astronomy」
...He made 430 parabolic specula in twenty-oneyears...
George Forbes 「History of Astronomy」
... Other comets, including most of the ``great'' ones, appear to travel in parabolic or, in a few cases, hyperbolic orbits, which, not being closed curves, never bring them back again...
Garrett Serviss 「Curiosities of the Sky」
...Cometswith parabolic and hyperbolic orbits may be regarded as stray objectswhich visit our system once, and depart never to return again...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...If the earth's velocity could beincreased 41 per cent, from 19 up to 27 miles per second, itwould have parabolic velocity, and would quit the sun'scompany...
George C. Comstock 「A Text-Book of Astronomy」
...Inreflectors this is effected by giving a parabolic form tothe concave surface of the mirror...
Garrett Serviss 「Pleasures of the telescope」
...Hecollected all the reliable observations of comets he could find, to the numberof twenty-four, and computed their parabolic orbits by the rules laid down byNewton...
George Forbes 「History of Astronomy」
...He madewith his own hands 430 parabolic mirrors for reflecting telescopes,besides a great number of complete instruments...
Oliver Lodge 「Pioneers of Science」
ランダム例文：
便利！手書き漢字入力検索
時事ニュース漢字 📺