The Fixed Idea of Astronomical Theory
The Fixed Idea of Astronomical Theory
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In our eReader you can find the full English version of the book. Read The Fixed Idea of Astronomical Theory Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Fixed Idea of Astronomical Theory
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The heaven, when partly covered by clouds, still remains for our vision a sphere. If we are enveloped by mist, the boundary of our sight narrows very much, and yet we see continually a hollow sphere, which is changed and renewed with every step we make forward or back- ward, but in doing so always preserves the same dimension, which is, too, proportional to the density of the mist. The same phenomenon appears to us in the celestial regions : wherever the earth may be in the universe, everywhere... the same sphere is presented to us. If we 42 wander in thought through the wide celestial regions, there opens everywhere another sphere, a new one, and all these spheres of endless number have the same dimen- sion; the apparent size and extension of the vault of heaven remains, therefore, ever the same to our vision. A philo- sopher once said, that the heaven or the infinite space it occupies might be regarded as a sphere, the centre of which is everywhere, but the circuit nowhere; as there is, however, no centre without circuit, he might have said immediately: The heaven is everywhere a sphere, conse- quently its centre and circumference are everywhere, too.
What to read after The Fixed Idea of Astronomical Theory?
You can find similar books in the "Read Also" column, or choose other free books by August Tischner to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The heaven, when partly covered by clouds, still remains for our vision a sphere. If we are enveloped by mist, the boundary of our sight narrows very much, and yet we see continually a hollow sphere, which is changed and renewed with every step we make forward or back- ward, but in doing so always preserves the same dimension, which is, too, proportional to the density of the mist. The same phenomenon appears to us in the celestial regions : wherever the earth may be in the universe, everywhere... the same sphere is presented to us. If we 42 wander in thought through the wide celestial regions, there opens everywhere another sphere, a new one, and all these spheres of endless number have the same dimen- sion; the apparent size and extension of the vault of heaven remains, therefore, ever the same to our vision. A philo- sopher once said, that the heaven or the infinite space it occupies might be regarded as a sphere, the centre of which is everywhere, but the circuit nowhere; as there is, however, no centre without circuit, he might have said immediately: The heaven is everywhere a sphere, conse- quently its centre and circumference are everywhere, too.
What to read after The Fixed Idea of Astronomical Theory?
You can find similar books in the "Read Also" column, or choose other free books by August Tischner to read onlineMoreLess
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