Scientific amusements . nother time dark. When white the surface uponwhich it fell looked more luminous than any other partof the country ! The phenomenon was an anthelion. Theabsolute silence impressed the voyager very much. Headds, The silence was so oppressive that we cannot helpasking ourselves are we still alive! We appear to apper-tain no longer to the world below. M. Flammarionsobservations on the colour of what we term the sky areworth quoting—not because they are novel, but becausethey put so very clearly before us the appearance we callthe blue vault. He says,-—speaking of the non-ex
Scientific amusements . nother time dark. When white the surface uponwhich it fell looked more luminous than any other partof the country ! The phenomenon was an anthelion. Theabsolute silence impressed the voyager very much. Headds, The silence was so oppressive that we cannot helpasking ourselves are we still alive! We appear to apper-tain no longer to the world below. M. Flammarionsobservations on the colour of what we term the sky areworth quoting—not because they are novel, but becausethey put so very clearly before us the appearance we callthe blue vault. He says,-—speaking of the non-existenceof the celestial vault,— The air reflects the blue raysof the solar spectrum from every side. The white light of 100 AERONAUTICS. the sun contains every colour, and the air allows all tintsto pass through it except the blue. This causes us tosuppose the atmosphere is blue. But the air has no suchcolour, and the tint in question is merely owing to thereflection of light. Planetary space is absolutely black ;.
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Keywords: ., bookcentury1800, bookdecade189, booksubjectscientificrecreations
