Lockyer, Norman, Sir, 1836-1920, Seabroke, G. M. (George Mitchell), 1848-1918 · London, Macmillan and co. · leaf 441
metal are the short ones,and only exist close to the metal where the vapour isdense; and in the sun the density is not sufficient togive these lines. Here, then, we have at once a meansof measuring the quantity of vapour of certain metalscomposing the sun. It was thought that aluminium wasnot in… … cuAP. XXVIII.] THE CHEMLSTRY OF THE STARS. 41D lines, and that aluminium probably exists in thesun, and zinc, strontium, and barium must also beadded. These probably exist in small quantities, in-sufficiently dense to give all the lines seen from a sparkin the air. There is also another quite…
Astronomy · Telescopes
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
