A Popular History of Astronomy During the Nineteenth Century / Fourth Edition

by Agnes M. Clerke

[142] The supposed opaque or protective stratum beneath the photosphere was named by him "planetary," from the analogy of terrestrial clouds.

[143] Ibid., p. 305.

[144] Novum Organum, lib. ii. aph. 20.

[145] Brewster's Life of Newton, vol. ii., p. 103.

[146] Beschäftigungen d. Berl. Ges. Naturforschender Freunde, Bd. ii., p. 233.

[147] Gentleman's Magazine, 1787, vol. ii., p. 636.

[148] Results, etc., p. 432.

[149] Ibid., p. 434.

[150] See ante, p. 31.

[151] Memoir of Francis Baily, Mem. R. A. S., vol. xv., p. 524.