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

by Agnes M. Clerke

[649] A. Brester, Théorie du Soleil, p. 66.

[650] Such prominences as have been seen to grow by the spread of incandescence are of the quiescent kind, and present no deceptive appearance of violent motion.

[651] Proc. Roy. Soc., vol. xxviii., p. 157.

[652] "Evolution and the Spectroscope," Pop. Science Monthly, January, 1873.

[653] Proc. Roy. Soc., vol. xxiv., p. 353. These are the H and K of prominences. H. W. Vogel discovered in 1879 a hydrogen-line nearly coincident with H (Monatsb. Preuss. Ak., February, 1879, p. 118).

[654] Proc. Roy. Soc., vol. xxviii., p. 444.

[655] Many of these were referred by Lockyer himself, who first sifted the matter, to traces of the metals concerned.

[656] Chemistry of the Sun, p. 312; Proc. Roy. Society, vol. lvii., p. 199.

[657] Lockyer's Chemistry of the Sun, p. 324.

[658] Month. Not., vol. li., p. 76.