...distance, and gradually fading away at the boundary.' A comparative examination of neighboring stars showed that this nebulosity really existed about the star....photosphere, which has suffered absorption by the vapors of an envelope cooler than itself. The second spectrum consists of a few bright lines, which...

...light of this new star formed a spectrum unlike that of any celestial body hitherto examined by them. The light of the star is compound, and has emanated...a few bright lines, which indicate that the light represented by it was emitted by matter in the state of luminous gas. These spectra are represented...

...light of this new star formed a spectrum unlike that of any celestial body hitherto examined by them. The light of the star is compound, and has emanated...photosphere, which has suffered absorption by the vapoiirs of an envelope cooler than itself. The second spectrum consists of a few bright lines, which...

...compound and had emanated from two different sourcei. One sceptrum was analogous to that of the sun, viz., formed by the light of an incandescent solid or liquid photosphere which had suffered absorption by the vapours of an envelope cooler than itself. The second spectrum consisted...

...and had emanated from two different sources. One spectrum was analogous to that of the sun — viz., formed by the light of an incandescent solid or liquid photosphere, which had suffered absorption by the vapours of an envelope cooler than itself. The second spectrum consisted...

...do better than set forth in the accurate and measured language of our Medallists themselves : — " When the spectroscope was placed on the telescope,...was emitted by matter in the state of luminous gas.' .... " It is difficult to imagine the present physical constitution of this remarkable object. There...

...do better than set forth in the accurate and measured language of our Medallists themselves : — " When the spectroscope was placed on the telescope,...was emitted by matter in the state of luminous gas.* .... " It is difficult to imagine the present physical constitution of this remarkable object. There...

...do better than set forth in the accurate and measured language of our Medallists themselves : — " When the spectroscope was placed on the telescope,...was emitted by matter in the state of luminous gas.* .... " It is difficult to imagine the present physical constitution of this remarkable object. There...

...spectrum. In the instrument these spectra appear superposed. The principal spectrum is analogous to the sun, and is evidently formed by the light of an...was emitted by matter in the state of luminous gas." * The double spectrum of this star has been observed at different observatories, confirming completely...

...had apparently emanated from two sources. The principal spectrum was analogous to that of the sun, evidently formed by the light of an incandescent solid...liquid photosphere, which has suffered absorption by vapors of an envelope cool er than itself. Thû second spectrum consisted of a few bright lines, indicating...