Light Science for Leisure Hours: A Series of Familiar Essays on Scientific Subjects, Natural Phenomena, Etc

action actual appear approaching astronomers Atlantic atmosphere bright cause centre circulation clear climate cold comet compared consider consideration continually corresponding course Crown 8vo curve direction disc discovery distance earth eclipse effects equal equator equatorial evidence examined existence extending fact flow greater Gulf Stream heat heavens hemisphere Herschel Illustrations important increase indicated John known latitude less light lines look manner marked matter mean meteors miles motion moving nature nearly nebula northern object observations oceanic orbit passing planet portion position present pressure probably question rays reason recognised regarded regions remarkable represent respecting says seems seen solar southern space spectrum stars sun's supposed surface tail telescope temperature theory tion travelling true Uranus vapour whole winds Woodcuts zone