...finds to be less than (i)**, or less than . 1,000,000,000,000,000,000 This probability is increased by the fact that the brighter a given iron line is...assigned which affords a perfect explanation of the phenomena. It is explained, if we suppose that the rays of light which we thus examine have at one...

...practically certain that these lines have a common cause. " Hence this coincidence," says KirchhofF, " must be produced by some cause ; and a cause can be...perfect explanation of the phenomenon. The observed, phenomonon may be explained by the supposition that the rays of light which form the solar spectrum...

...common cause. * Hence this coincidence," says Kirchhoff, " must be produced by some cause ; and a MMMfi can be assigned which affords a perfect explanation of the phenomenon. The observed pheuomonon may be eXpkinwl by the supposition that the rays of light which form the Holar Hpectnim...

...coincided with dark lines of the parallel sunlight spectrum. " This coincidence," says Kirchhoff, " must be produced by some cause; and a cause can be...explanation of the phenomenon. The observed phenomenon may bo explained by the supposition, that the rays of light which form the solar spectrum have passed through...

...practically certain that these lines have a common cause. " Hence this coincidence," says Kirchhoff, " must be produced by some cause, and a cause can be...explanation of the phenomenon. The observed phenomenon may bn explained by the supposition that the rays of light which form the solar spectrum have pass^l through...

...arrangement detected by mo ,while constructing my large star-atlas, is due to mere chance-distribution. be produced by some cause, and a cause can be assigned...supposition that the rays of light which form the solar ?pectrum have passed through the vapour of iron, and have thus suffered the absorption which the vapour...

...exactly in position with an equal number of dark lines in the solar spectrum. "Hence," remarks Kirchhoff, "this coincidence must be produced by some cause,...explanation of the phenomenon. The observed phenomenon maybe explained by the supposition that the rays of light, which form the solar spectrum, have passed...

...exactly in position with an equal number of dark lines in the solar spectrum. "Hence," remarks Kirchhoff, "this coincidence must be produced by some cause,...explanation of the phenomenon. The observed phenomenon maybe explained by the supposition that the rays of light, which form the solar spectrum, have passed...

...exactly in position with an equal number of dark lines in the solar spectrum. "Hence," remarks Kirchhoff, "this coincidence must be produced by some cause,...which affords a perfect explanation of the phenomenon. T4ie observed phenomenon maybe explained by the supposition that the rays of light, which form the...

...relative strength of the lines) is less than l 1,000,000,0uu,000,000,000.* ' Hence,' remarks Kirchhoff, ' this coincidence must be produced by some cause, and...which affords a perfect explanation of the phenomenon. side with the solar spectrum, the solar light being admitted directly to the battery of prisms ; that...