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

appear approaching arctic astronomers Atlantic Atlantic Ocean barometer barometric pressure bright cause centre Chemistry climate clouds cold coma comet consider continually corona Crown 8vo curve Diagrams diameter disc discovery distance earth eclipse effects equator equatorial current evaporation evidence existence extending fact faint flow globe gravity Gulf Stream Halley's comet heat heavens Huggins Illustrations J. C. LOUDON JOHN TYNDALL Jupiter latitude less light lines Maury Maury's mean meteor systems meteors nearly northern hemisphere nucleus object observations oceanic circulation orbit Orion nebula passing peculiarity perihelion phenomena planet polar portion present Professor question rays recognised regions remarkable respecting Saturn says Scientific Works published Secchi seems seen Sir John Herschel Somerville southern space specific gravity spectroscope stars stellar motions sun's supposed surface tail telescope temperature theory tion trade-winds travelling tropical Uranus velocity winds Woodcuts zodiacal zone