Zitate von Wilhelm Herschel

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Wilhelm Herschel

Geburtstag: 15. November 1738
Todesdatum: 25. August 1822

Friedrich Wilhelm Herschel war ein aus Deutschland stammender britischer Astronom und Musiker.

Zitate Wilhelm Herschel

„That the emission of light must waste the sun, is not a difficulty that can be opposed to our hypothesis.“

—  William Herschel
Context: That the emission of light must waste the sun, is not a difficulty that can be opposed to our hypothesis. Many of the operations of Nature are carried on in her great laboratory which we cannot comprehend. Perhaps the many telescopic comets may restore to the sun what is lost by the emission of light.<!-- p. 148 Ch.4 "Life and Works" quote from his paper "Nature and Construction of the Sun and Fixed Stars" (1795).

„It will be necessary to explain the spirit of the method of arranging the observed astronomical objects under consideration in such a manner, that one shall assist us to understand the nature and construction of the other.“

—  William Herschel
Astronomical Observations relating to the Construction of the Heavens... (1811), Context: It will be necessary to explain the spirit of the method of arranging the observed astronomical objects under consideration in such a manner, that one shall assist us to understand the nature and construction of the other. This end I propose to obtain by assorting them into as many classes as will be required to produce the most gradual affinity... and it will be found that those contained in one article, are so closely allied to those in the next, that there is perhaps not so much difference between them... as there would be in an annual description of the human figure were it given from the birth of a child till he comes to be a man in his prime.<!-- p. 270-271

„It is evident that we cannot mean to affirm that the stars of the fifth, sixth, and seventh magnitudes are really smaller than those of the first, second, or third, and that we must ascribe the cause of the difference in the apparent magnitudes of the stars to a difference in their relative distances from us.“

—  William Herschel
Context: It is evident that we cannot mean to affirm that the stars of the fifth, sixth, and seventh magnitudes are really smaller than those of the first, second, or third, and that we must ascribe the cause of the difference in the apparent magnitudes of the stars to a difference in their relative distances from us. On account of the great number of stars in each class, we must also allow that the stars of each succeeding magnitude, beginning with the first, are, one with another, further from us than those of the magnitude immediately preceding. Ch.4 "Life and Works" from a memoir, published (1817).

„We may conceive that, perhaps in progress of time these nebulæ which are already in such a state of compression, may be still farther condensed so as actually to become stars.“

—  William Herschel
Astronomical Observations relating to the Construction of the Heavens... (1811), Context: We may conceive that, perhaps in progress of time these nebulæ which are already in such a state of compression, may be still farther condensed so as actually to become stars.<!-- p. 318

„Nebulæ can be selected so that an insensible gradation shall take place“

—  William Herschel
Context: Nebulæ can be selected so that an insensible gradation shall take place from a coarse cluster like the Pleiades down to a milky nebulosity like that in Orion, every intermediate step being represented. This tends to confirm the hypothesis that all are composed of stars more or less remote. Ch.4 "Life and Works"

„The starlike appearance of the following six nebulæ is so considerable that the best description… was to compare them to stars with certain deficiencies.“

—  William Herschel
Astronomical Observations relating to the Construction of the Heavens... (1811), Context: The starlike appearance of the following six nebulæ is so considerable that the best description... was to compare them to stars with certain deficiencies.<!-- p. 328

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„It is very probable that the great stratum called the Milky Way is that in which the sun is placed, though perhaps not in the very centre of its thickness.“

—  William Herschel
Context: It is very probable that the great stratum called the Milky Way is that in which the sun is placed, though perhaps not in the very centre of its thickness.... We gather this from the appearance of the Galaxy, which seems to encompass the whole heavens, as it certainly must do if the sun is within it.<!-- p. 159-160 Ch.4 "Life and Works".

„An object may not only contain stars, but also nebulosity not composed of them.“

—  William Herschel
Astronomical Observations relating to the Construction of the Heavens... (1811), Context: An object may not only contain stars, but also nebulosity not composed of them.<!-- p. 270

„This tends to confirm the hypothesis that all are composed of stars more or less remote.“

—  William Herschel
Context: Nebulæ can be selected so that an insensible gradation shall take place from a coarse cluster like the Pleiades down to a milky nebulosity like that in Orion, every intermediate step being represented. This tends to confirm the hypothesis that all are composed of stars more or less remote. Ch.4 "Life and Works"

„I have availed myself of the labors of preceding astronomers, but have been induced thereto by my own actual observation of the solar phenomena.“

—  William Herschel
Context: I should not wonder if, considering all this, we were induced to think that nothing remained to be added; and yet we are still very ignorant in regard to the internal construction of the sun.... The spots have been supposed to be solid bodies, the smoke of volcanoes, the scum floating on an ocean of fluid matter, clouds, opaque masses, and to be many other things.... The sun itself has been called a globe of fire, though, perhaps, metaphorically.... It is time now to profit by the observations we are in possession of. I have availed myself of the labors of preceding astronomers, but have been induced thereto by my own actual observation of the solar phenomena.<!-- p. 145-146 Ch.4 "Life and Works" quote from his paper "Nature and Construction of the Sun and Fixed Stars" (1795).

„Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Etiam egestas wisi a erat. Morbi imperdiet, mauris ac auctor dictum.“

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