The orbs around us : a series of familiar essays on the moon and planets, meteors and comets, the sun and coloured pairs of suns (1902)
Proctor, Richard A. (Richard Anthony), 1837-1888 · London : Longmans, Green · leaf 319
such initial velocities ; those velocities, namely,which would suffice to carry a projectile from the suns 304 THE ORBS AROUND US. surface to the observed altitudes, supposing there wereno appreciable atmospheric resistance. But Secchihas proved that some of the very loftiest of the pro-minences… … SOLAR CLOUD PROMINENCE, SJSEN BY PROFESSOR YOUNG, SEPT. 7, 1871. that the highest range of these prominences is solelydue to the velocity of projection. But it is precisely respecting this chief source ofdoubt that we have recently obtained the most satis-factory information. We no longer have to…
Astronomy · Solar system
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