Uttmark's guide to the United States local inspectors examination for masters and mates of ocean going steam and sailing ships (1919)
Uttmark, Fritz E · [New York] The Author · leaf 42
Fig. 27. 38.—*What is the Ecliptic? The Ecliptic is the great circle representing thepath in which the sun, owing to the yearly revolu-tion of the earth, appears to move in the celestialsphere. The plane of the Ecliptic is inclined to thatof the Equinoctial at an angle of 23° 27%. Thisinclination… … 39.—*What are the Solstitial Points? The Solstitial points or Solstices are points onthe ecliptic 90° from eqpiinoxes at which the sunreaches its highest declination in each hemisphere.They are called Summer or Winter Solstices, accord-ing to the time of the year. (Fig. 27a.) 40.—*What is Celestial…
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