Light Science for Leisure Hours, a Series of Familiar Essays on Scientific Subjects Natural Phenomena EtcLongmans, Green, and Company, 1871 - 316 páginas |
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... remarkable character have often been observed when no aurora has been visible ; and he noticed certain peculiarities in the auroras observed near the polar regions , which did not seem to accord with Arago's view . But gradually it was ...
... remarkable character have often been observed when no aurora has been visible ; and he noticed certain peculiarities in the auroras observed near the polar regions , which did not seem to accord with Arago's view . But gradually it was ...
Página 33
... remarkable one . We receive very little light from the moon , much less ( in comparison with the sun's light ) than most persons would suppose , and we get absolutely no perceptible heat from her . There- fore it would seem rather to ...
... remarkable one . We receive very little light from the moon , much less ( in comparison with the sun's light ) than most persons would suppose , and we get absolutely no perceptible heat from her . There- fore it would seem rather to ...
Página 34
... remarkable . If the jerking movements observed in places spread over very large regions of the earth - and in some well- authenticated cases over the whole earth - be compared with the local time , it is found that ( allowance being ...
... remarkable . If the jerking movements observed in places spread over very large regions of the earth - and in some well- authenticated cases over the whole earth - be compared with the local time , it is found that ( allowance being ...
Página 36
... remarkable a phenomenon as this none but a cosmical cause can suffice . We can neither say that the spots cause the magnetic magnetic storms cause the spots . cause producing at once both sets of phenomena . There is as yet no certainty ...
... remarkable a phenomenon as this none but a cosmical cause can suffice . We can neither say that the spots cause the magnetic magnetic storms cause the spots . cause producing at once both sets of phenomena . There is as yet no certainty ...
Página 44
... remarkable phenomena . But such records , made with very insufficient instru- mental means , have in general but little actual value . It has been found easy to confirm them without any special regard to accuracy of calculation . A But ...
... remarkable phenomena . But such records , made with very insufficient instru- mental means , have in general but little actual value . It has been found easy to confirm them without any special regard to accuracy of calculation . A But ...
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