History of Astronomy |
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Page 2
... sun spots ; while De la Rue , Loewy , and Balfour Stewart ' thought they found a connection between sun - spot displays and the planetary ' Trans . R. S. E. , xxiii . 1864 , p . 499 , On Sun Spots , etc. , by B. Stewart . Also Trans ...
... sun spots ; while De la Rue , Loewy , and Balfour Stewart ' thought they found a connection between sun - spot displays and the planetary ' Trans . R. S. E. , xxiii . 1864 , p . 499 , On Sun Spots , etc. , by B. Stewart . Also Trans ...
Page 95
... , or bright areas , which are seen all over the sun's surface , but specially in. As Photographed at the Royal Observatory , Greenwich , showing sun - spots with umbrę , penumbrę , and faculę . SOLAR ECLIPSE , 1882 . THE PHYSICAL PERIOD 95.
... , or bright areas , which are seen all over the sun's surface , but specially in. As Photographed at the Royal Observatory , Greenwich , showing sun - spots with umbrę , penumbrę , and faculę . SOLAR ECLIPSE , 1882 . THE PHYSICAL PERIOD 95.
Page 96
... sun - spots have never ceased from Galileo's time to ours . He supposed them to be clouds . Scheiner said they were the indications of tumultuous movements occasionally agitating the ocean of liquid fire of which he supposed the sun to ...
... sun - spots have never ceased from Galileo's time to ours . He supposed them to be clouds . Scheiner said they were the indications of tumultuous movements occasionally agitating the ocean of liquid fire of which he supposed the sun to ...
Page 97
... sun - spot displays . In 1851 it was generally accepted , and , although a period of eleven years has been found to be more exact , all later observations , besides the earlier ones which have been hunted up for 1 Observations on the ...
... sun - spot displays . In 1851 it was generally accepted , and , although a period of eleven years has been found to be more exact , all later observations , besides the earlier ones which have been hunted up for 1 Observations on the ...
Page 98
... sun - spots back to about 1700 A.D. Spoerer deduced a law of dependence of the average latitude of sun - spots on the phase of the sun - spot period . All modern total solar eclipse observations seem to show that the shape of the ...
... sun - spots back to about 1700 A.D. Spoerer deduced a law of dependence of the average latitude of sun - spots on the phase of the sun - spot period . All modern total solar eclipse observations seem to show that the shape of the ...
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