Elements of Descriptive Astronomy: A Text-bookSilver, Burdett, 1897 - 340 oldal |
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appear astronomers atmosphere ball bodies bright lines cause celestial equator celestial sphere centre clock cloud cluster color comet companion conjunction constellation corona craters cross the meridian dark diameter Dipper disk distance earth earth's axis east elongation equatorial eyepiece faint fixed stars glass Greenwich half heat hour angle hour circle inferior conjunction inferior planet Jupiter latitude light longitude look lunar magnitude star Mars mass Mercury meteorite meteors miles moon moon's motion move naked eye nearly nebula night north celestial pole object object-glass Observatory observer orbit Orion parallax parallel perpendicular photographic photosphere polar axis Polaris portion position prolonged rays reflector refraction revolution right ascension ring rotation satellites Saturn seen shadow shown in Fig sidereal sidereal period sixth magnitude small telescope solar day solar eclipse spectra spectroscope spectrum sun spots sun's superior planet surface theory tions umbra Uranus Ursa velocity Venus vernal equinox visible zenith
Népszerű szakaszok
197. oldal - So spake the grisly terror, and in shape, So speaking: and so threatening, grew tenfold More dreadful and deform : on the other side, Incensed with indignation, Satan stood Unterrified, and like a comet burned, That fires the length of Ophiuchus huge In the arctic sky, and from his horrid hair Shakes pestilence and war.
136. oldal - If you forgive me, I rejoice ; if you are angry, I can bear it : the die is cast, the book is written ; to be read either now or by posterity, I care not which : it may well wait a century for a reader, as God has waited six thousand years for an observer.
270. oldal - Lo, these are parts of his ways: but how little a portion is heard of him? but the thunder of his power who can understand?
272. oldal - Here will we sit, and let the sounds of music Creep in our ears : soft stillness and the night Become the touches of sweet harmony. Sit, Jessica. Look how the floor of heaven Is thick inlaid with patines of bright gold ! There 's not the smallest orb which thou behold'st...
266. oldal - And time, and place, are lost; where eldest Night And Chaos, ancestors of Nature, hold Eternal anarchy, amidst the noise Of endless wars, and by confusion stand.
157. oldal - If they would, for example, praise the beauty of a woman, or any other animal, they describe it by rhombs, circles, parallelograms, ellipses, and other geometrical terms, or by words of art drawn from music, needless here to repeat.
219. oldal - While earnestly listening for the cause I heard a faint voice near the door calling my name. I arose, and, taking my sword, stood at the door. At this moment I heard the same voice still beseeching me to rise, and saying, ' O my God, the world is on fire...
157. oldal - They have likewise discovered two lesser Stars, or Satellites, which revolve about Mars; whereof the innermost is distant from the Center of the primary Planet exactly three of his Diameters and the outermost five; the former revolves in the Space of ten Hours, and the latter in Twenty-one and a Half...
219. oldal - Upwards of one hundred lay prostrate on the ground, some speechless, and some with the bitterest cries, but with their hands raised, imploring God to save the world and them. The scene was truly awful ; for never did rain fall much thicker than the meteors fell towards the earth ; east, west, north, and south it was the same.
64. oldal - Or bright infers not excellence : the earth Though, in comparison of heaven, so small, Nor glistering, may of solid good contain More plenty than the sun that barren shines...