The scientific papers of Sir William Huggins (1909)
Huggins, William, Sir, 1824-1910, Huggins, Lady, d. 1915 · London, W. Wesley and son · leaf 278
tion shifted towards the blue, must have remainedbehind the cooler absorbing gas ; indeed, must have formed with it the bodywhich was approaching us, unless we assume that both bodies were movingexactly in the line of sight, or that the absorbing gases were of enormousextent. The circumstance that… … E
Astronomy
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