Elementary astronomy; a beginner's text-book (1899)
Holden, Edward Singleton, 1846-1914 · New York, H. Holt and company · leaf 421
elope is composed of stars indefinitely small ; or, second,we must admit that the star is involved in a shining fluid of a naturetotally unknown to us. The shining fluid might exist independently of stars. The lightof this fluid is no kind of reflection from the star in the centre. Ifthis matter is… … NEBULjE and CLUSTERS. 397 star-clusters, we have in the universe a totally distinct series o^ ob-jects, probably much more simple in their constitution. Observationson the spectra of these bodies have entirely confirmed the conclusionsof Herschel. The spectroscope shows that the true nebulae…
Astronomy
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