A System of Astronomy On the Principles of Copernicus
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In our eReader you can find the full English version of the book. Read A System of Astronomy On the Principles of Copernicus 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 System of Astronomy On the Principles of Copernicus
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Add these altitudes, and half their sura is the altitude of the pole, and, of course, the lati- tude of the place.
The pole star is of the same altitude of the pole, when at its greatest elongation from the pole, east or west. To obtain the greatest elongation, observe that the star Alioth of the constellation Ursa Major, or the Great Bear, the pole star, and the star Gamma of Cassiopeia, are nearly in a Jine. -r- When this line is in a horizontal direction, or perpendicular to the plane of the... meridian, the pole star is at its greatest elongation, east or west, being on the side of the pole next to the Gamma of Cassiopeia and opposite to Alioth. Hence it is east, when Alioth is west, and it is west when Alioth is east.
*The student's judgment, with a little attention, will easily determine, whether in the zenith distance and declination he ought to add or subtract.
LONGITUDE. 177 For practical methods of obtaining the latitude of places, see Dr. Bowditch's standard work, " The new American Practical Navigator.
What to read after A System of Astronomy On the Principles of Copernicus?
You can find similar books in the "Read Also" column, or choose other free books by John Vose to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Add these altitudes, and half their sura is the altitude of the pole, and, of course, the lati- tude of the place.
The pole star is of the same altitude of the pole, when at its greatest elongation from the pole, east or west. To obtain the greatest elongation, observe that the star Alioth of the constellation Ursa Major, or the Great Bear, the pole star, and the star Gamma of Cassiopeia, are nearly in a Jine. -r- When this line is in a horizontal direction, or perpendicular to the plane of the... meridian, the pole star is at its greatest elongation, east or west, being on the side of the pole next to the Gamma of Cassiopeia and opposite to Alioth. Hence it is east, when Alioth is west, and it is west when Alioth is east.
*The student's judgment, with a little attention, will easily determine, whether in the zenith distance and declination he ought to add or subtract.
LONGITUDE. 177 For practical methods of obtaining the latitude of places, see Dr. Bowditch's standard work, " The new American Practical Navigator.
What to read after A System of Astronomy On the Principles of Copernicus?
You can find similar books in the "Read Also" column, or choose other free books by John Vose to read onlineMoreLess
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