The Encyclopedia Americana: A Library of Universal Knowledge ...Encyclopedia Americana Corporation, 1924 |
Iz vsebine knjige
Zadetki 1–5 od 100
Stran 19
... called the " photosphere . " The latter presents to our view the appearance of a flat disc . The edge of this disc is called the " limb . " When seen without telescopic magnification , through a dark glass or other medium , the disc of ...
... called the " photosphere . " The latter presents to our view the appearance of a flat disc . The edge of this disc is called the " limb . " When seen without telescopic magnification , through a dark glass or other medium , the disc of ...
Stran 21
... called the solar equator . Distances north and south of the equator are called solar latitude . When we look at the sun at noon its north and south poles are near the upper and lower points of the disc ; and the equator passes ...
... called the solar equator . Distances north and south of the equator are called solar latitude . When we look at the sun at noon its north and south poles are near the upper and lower points of the disc ; and the equator passes ...
Stran 23
... called " chromosphere . " It is comparatively thin - so thin as to be almost im- mediately covered when the sun is totally eclipsed . Its nature was first made known by the spectroscope , which showed it to be com- posed mostly of ...
... called " chromosphere . " It is comparatively thin - so thin as to be almost im- mediately covered when the sun is totally eclipsed . Its nature was first made known by the spectroscope , which showed it to be com- posed mostly of ...
Stran 25
... called energy ; and that the latter is necessarily limited in supply . It was also seen that the sun must be a hot body , and must lose all the heat it radiated . To make this subject clear , we must remark that what the sun really ...
... called energy ; and that the latter is necessarily limited in supply . It was also seen that the sun must be a hot body , and must lose all the heat it radiated . To make this subject clear , we must remark that what the sun really ...
Stran 26
... called " radioactive " substances , the atoms may be broken up , the result of the process being an element of lower ... called ; and a large South American bird , also called finfoot , for which see HELIORNITHIDÆ . SUN - BITTERN , an ...
... called " radioactive " substances , the atoms may be broken up , the result of the process being an element of lower ... called ; and a large South American bird , also called finfoot , for which see HELIORNITHIDÆ . SUN - BITTERN , an ...
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The Encyclopedia Americana: A Library of Universal Knowledge, Količina 26 Prikaz kratkega opisa - 1936 |
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18th century acid aerial American ancient army battery became cable called centre century chief Church circuit coast coil College connected Constitution Consult course court curve developed direction early electric electromotive force employed England English especially feet French geodesic History important institutions island known Lake land later length London ment metal method Morse mountain operation oscillations Paris passed phantom circuit photosphere placed plane position produced receiving relay River Roman Saint schools signals square miles station sulphur sulphur dioxide sulphuric acid surface surgery survey Sweden Swiss Switzerland symbol syphilis Syria tained tannic acid tannin Taoism tapestries tapeworm Tawi Tawi taxation taxidermy teachers telegraph teleology telephone telescope tion town transmitted tube United University vacuum tube vertical waves wire wireless York