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

by Agnes M. Clerke

[619] The Sun, p. 192.

[620] Astr. Nach., No. 1,854.

[621] Mem. degli Spettroscopisti Italiani, t. v., p. 4; Secchi, ibid., t. vi., p. 56.

[622] Its non-atmospheric character was early defined by Proctor, Month. Not., vol. xxxi., p. 196.

[623] Astroph. Jour., vol. vi., p. 412.

[624] Ibid., vol. xi., p. 165.

[625] Ibid., p. 243.

[626] Sun's Place in Nature, pp. 111, 288.

[627] Abh. d. Kön. Böhm Ges. d. Wiss., Bd. ii., 1841-42, p. 467.

[628] In a paper read before the Société Philomathique de Paris, December 23, 1848, and first published in extenso in Ann. de Chim. et de Phys., t. xix., p. 211 (1870). Hippolyte Fizeau died in September, 1896.