Lockyer, Norman, Sir, 1836-1920 · London : Macmillan and Co. · leaf 270
ng gas is shown by the fact that theiilight consists merely of a few bright lines. An object-glass collects a beam of light which for everwithout such aid would have bathed the Earth invisiblyto mortal eye; the beam is passed through a prism, andin a moment we know that we have no longer to dowith… … 502. In uiir own system, thai moonshine is but sunshine second-hand, and that the Moon has no sensible 236 ASTRONOMY. atmosphere, is proved by the fact, that in the spectroscopethere is no difference, except in brilliancy, between thetwo; and that the planets have atmospheres is shown inlike…
Astronomy · Solar system
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