On the Conservation of Solar Energy: A Collection of Papers and Discussions

absolute heat absorbed absorption Académie des Sciences amount appears aqueous vapour assumed astronomer attenuated matter bolometer Captain Abney carbonic acid cause centrifugal force chemical combustion comets compounds Comptes Rendus condensation CONSERVATION OF SOLAR convection currents crucible cyclones density dissociation distance earth effect electric arc enormous equal equatorial existence experiments Faye Faye's fluid fused gaseous matter give rise Hirn hydrocarbons hydrogen hypothesis inflowing Langley's latitude luminous mass matter in space medium metal meteorites meteorolites metres motion observations outflowing current paper particles photosphere physicists planetary planets polar surfaces poles pressure produced Professor Langley radiant energy rarefaction rarefied rays regarding regions resistance result rotatory Royal Society Siemens solar atmosphere solar energy solar equator solar gravitation solar heat solar photosphere solar physics solar radiation solar rotation solar temperature spectroscopic spectrum sphere Spoerer stellar space Sun spots Sun's supposed terrestrial theory vacuum tubes velocity visible vortex wave-lengths zodiacal light