Astronomers of To-Day And Their Work
Astronomers of To-Day And Their Work
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In our eReader you can find the full English version of the book. Read Astronomers of To-Day And Their Work 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 Astronomers of To-Day And Their Work
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The period in which Jupiter now revolves round the Sun may give some notion of the rotation of the nebula at the time it extended so far as Jupiter. . . . Passing over the intermediate stages, we find the nebula contracting until it extended no further than the line now marked by the Earth's orbit; the speed with which the nebula was rotating must have been increasing all the time, so that though the nebula required several years to go round when it extended as far as Jupiter, only a fraction o...f that period was necessary when it had reached the position indicated by the Earth's track at the present time. ... It drew in, until at last it reached a further stage by contraction into the Sun, which rotates in less than a month. Thus the period of Jupiter, namely, twelve years, the period of the Earth, Digitized by Google io6 ASTRONOMERS OF TO-DAY.
namely, one year, and the period of the Sun, namely, twenty- five days, illustrate the successive accelerations of the rotation of the nebula in the process of contraction." Regarding the size of the nebula from which the Solar System was probably evolved.
What to read after Astronomers of To-Day And Their Work?
You can find similar books in the "Read Also" column, or choose other free books by Hector Macpherson to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The period in which Jupiter now revolves round the Sun may give some notion of the rotation of the nebula at the time it extended so far as Jupiter. . . . Passing over the intermediate stages, we find the nebula contracting until it extended no further than the line now marked by the Earth's orbit; the speed with which the nebula was rotating must have been increasing all the time, so that though the nebula required several years to go round when it extended as far as Jupiter, only a fraction o...f that period was necessary when it had reached the position indicated by the Earth's track at the present time. ... It drew in, until at last it reached a further stage by contraction into the Sun, which rotates in less than a month. Thus the period of Jupiter, namely, twelve years, the period of the Earth, Digitized by Google io6 ASTRONOMERS OF TO-DAY.
namely, one year, and the period of the Sun, namely, twenty- five days, illustrate the successive accelerations of the rotation of the nebula in the process of contraction." Regarding the size of the nebula from which the Solar System was probably evolved.
What to read after Astronomers of To-Day And Their Work?
You can find similar books in the "Read Also" column, or choose other free books by Hector Macpherson to read onlineMoreLess
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