A High-School Ascronomy: in Which the Descriptive, Physical, And Practical Are Combined
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In our eReader you can find the full English version of the book. Read A High-School Ascronomy: in Which the Descriptive, Physical, And Practical Are Combined 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 A High-School Ascronomy: in Which the Descriptive, Physical, And Practical Are Combined
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To quickly assess the difficulty of the text, read a short excerpt:
THE suit's motion IN SPACE.
327. Although, in general terms, we speak of the sun as the fixed center of the system, it must not be under- stood that the sun is absolutely without motion. On the contrary, he has a periodical motion, in nearly a circular direction, around the common center of all the planetary bodies ; never deviating from his position by more than twice his diameter. From the known laws of gravita- tion, it is certain that the sun is affected in some measure by the attraction of... the planets, especially when many of them are found on the same side of the ecliptic at the same time ; but this would by no means account for so great a periodical motion.
328. In addition to the motion above described, the sun is found to be moving, with all his retinue of planets and comets, in a vast orhit, around some distant and hitherto unknown center. This opinion was first ad- vanced, we think, by Sir William Herschel ; but the honor of actually determining this interesting fact be- longs to Struve, who ascertained not only the direction of the sun and solar system, but also their velocity.
What to read after A High-School Ascronomy: in Which the Descriptive, Physical, And Practical Are Combined?
You can find similar books in the "Read Also" column, or choose other free books by Mattison, Hiram, 1811-1868 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
THE suit's motion IN SPACE.
327. Although, in general terms, we speak of the sun as the fixed center of the system, it must not be under- stood that the sun is absolutely without motion. On the contrary, he has a periodical motion, in nearly a circular direction, around the common center of all the planetary bodies ; never deviating from his position by more than twice his diameter. From the known laws of gravita- tion, it is certain that the sun is affected in some measure by the attraction of... the planets, especially when many of them are found on the same side of the ecliptic at the same time ; but this would by no means account for so great a periodical motion.
328. In addition to the motion above described, the sun is found to be moving, with all his retinue of planets and comets, in a vast orhit, around some distant and hitherto unknown center. This opinion was first ad- vanced, we think, by Sir William Herschel ; but the honor of actually determining this interesting fact be- longs to Struve, who ascertained not only the direction of the sun and solar system, but also their velocity.
What to read after A High-School Ascronomy: in Which the Descriptive, Physical, And Practical Are Combined?
You can find similar books in the "Read Also" column, or choose other free books by Mattison, Hiram, 1811-1868 to read onlineMoreLess
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