Elementary Astronomy a Beginners Text book
Elementary Astronomy a Beginners Text book
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In our eReader you can find the full English version of the book. Read Elementary Astronomy a Beginners Text book 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 Elementary Astronomy a Beginners Text book
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The gases of the chromosphere are frequently thrown up in irregular masses to vast heights above the photosphere, it may be 50, 000, 100, 000, or even 200, 000 kilometres (120, 000 miles). These masses can never be directly viewed except when the sunlight is cut off by the intervention of the Moon during a total eclipse. They are then seen as rose- colored flames, or piles of bright red clouds of irregular and fantastic shapes rising from the edge of the Sun. The spectroscope shows that they ar...e chiefly composed of in- candescent calcium, helium, and hydrogen.
Corona. During total eclipses the Sun is seen to be enveloped by a mass of soft white light, much fainter than the chromosphere, and extend- ing out on all sides far beyond the highest prominences. It is brightest around the edge of the Sun, and fades off toward its outer boundary by FIG. 163. A METHOD OF OB- . . U1 -, ,. Mi.
SERVING THE SUN WITH A ^sensible gradations. This TELESCOPE. Halo of lis^ht is called the corona, and is a very striking object during a total eclipse.
What to read after Elementary Astronomy a Beginners Text book?
You can find similar books in the "Read Also" column, or choose other free books by Holden Edward Singleton to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The gases of the chromosphere are frequently thrown up in irregular masses to vast heights above the photosphere, it may be 50, 000, 100, 000, or even 200, 000 kilometres (120, 000 miles). These masses can never be directly viewed except when the sunlight is cut off by the intervention of the Moon during a total eclipse. They are then seen as rose- colored flames, or piles of bright red clouds of irregular and fantastic shapes rising from the edge of the Sun. The spectroscope shows that they ar...e chiefly composed of in- candescent calcium, helium, and hydrogen.
Corona. During total eclipses the Sun is seen to be enveloped by a mass of soft white light, much fainter than the chromosphere, and extend- ing out on all sides far beyond the highest prominences. It is brightest around the edge of the Sun, and fades off toward its outer boundary by FIG. 163. A METHOD OF OB- . . U1 -, ,. Mi.
SERVING THE SUN WITH A ^sensible gradations. This TELESCOPE. Halo of lis^ht is called the corona, and is a very striking object during a total eclipse.
What to read after Elementary Astronomy a Beginners Text book?
You can find similar books in the "Read Also" column, or choose other free books by Holden Edward Singleton to read onlineMoreLess
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