Word: gaseous
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Dates: during 1890-1899
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...consistency of the sun has never been determined. At present the theory is that it consists of gaseous matter intensely heated. Under this theory, the so called "sun spots" are supposed to be places which are for unknown reasons comparatively cool...
...means of these no less than seven new variable stars have been discovered, and the number of stars of the fifth type has been increased by eight, making the total number forty-five. The spectrum of the nebula surrounding some of the stars is unlike that of any other gaseous nebula...