Abstract
I HAVE called my subject speculations, because in the present state of the inquiry there are so many questions that can be looked upon in no other light. At the same time it appears to me very desirable that certain facts should be examined from this new point of view, if only to lead to researches which otherwise would not have claimed attention. What I then propose is to consider the bearing on certain geological questions of the new views of Mr. Lockyer respecting the constitution of matter, as indicated by a comparison of the spectra of the various classes of stars, and the probable effects of a change in the constitution of our sun.†
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On Some Recent Astronomical Speculations in Their Relation to Geology * . Nature 9, 388 (1874). https://doi.org/10.1038/009388a0
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DOI: https://doi.org/10.1038/009388a0