Fourteen Weeks in Descriptive Astronomy |
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Page 41
... Winter Sol- stice occurs about the 22d of December . ( d ) The MEASUREMENTS are celestial longitude and latitude . Celestial longitude is distance from the Vernal Equi- nox measured on the ecliptic , eastward . Celestial latitude is ...
... Winter Sol- stice occurs about the 22d of December . ( d ) The MEASUREMENTS are celestial longitude and latitude . Celestial longitude is distance from the Vernal Equi- nox measured on the ecliptic , eastward . Celestial latitude is ...
Page 48
... winter than in summer , as we are 3,000,000 miles nearer it . If we represent the luminous surface of the sun when at its average ( mean ) distance by 1000 , the same sur- face will be represented to us when in aphelion ( July ) by 940 ...
... winter than in summer , as we are 3,000,000 miles nearer it . If we represent the luminous surface of the sun when at its average ( mean ) distance by 1000 , the same sur- face will be represented to us when in aphelion ( July ) by 940 ...
Page 87
... Winter Winter Solstice Autumnal Equinox Autinun olution from torrid to temperate , and the tropical heat is experienced alternately toward the north and south of what we call the temperate zones . There is no marked distinction of zones ...
... Winter Winter Solstice Autumnal Equinox Autinun olution from torrid to temperate , and the tropical heat is experienced alternately toward the north and south of what we call the temperate zones . There is no marked distinction of zones ...
Page 108
... winter skies . ( Hind . ) 2. Yearly path of the sun through the heavens . - We have spoken of the diurnal motion of the sun . We now speak of its second apparent motion - its yearly path among the stars . * If we look at the accom ...
... winter skies . ( Hind . ) 2. Yearly path of the sun through the heavens . - We have spoken of the diurnal motion of the sun . We now speak of its second apparent motion - its yearly path among the stars . * If we look at the accom ...
Page 110
... winter , a short time . In summer he rises and sets north of the east and west points ; in winter , south of the east and west points . This subject is so intimately connected with the next , that we shall understand it best when taken ...
... winter , a short time . In summer he rises and sets north of the east and west points ; in winter , south of the east and west points . This subject is so intimately connected with the next , that we shall understand it best when taken ...
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Common terms and phrases
ancients Andromeda angle aphelion appearance Aries astronomers atmosphere axis body Boötes bright brilliant Canis Minor Capricornus Cassiopeia celestial centre Cepheus circle color comet conjunction constellation Cor Caroli dark density Describe diameter disk Draco earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavens Hercules Herschel horizon inclined inferior inferior conjunction inferior planet Jupiter latitude length light lunar Lyra magnitude Mars mean distance Mercury meridian meteors miles moon moon's motion move naked eye nearly nebula Neptune node north pole orbit Orion parallax pass path penumbra perihelion Perseus Pisces planet Polaris precession rays revolve ring rising Saturn seasons seen shadow shines shower sidereal sidereal day solar day solar system space spots summer sun's superior planet surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible zodiac