Fourteen Weeks in Descriptive Astronomy |
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Page 10
... rings have been identified , and the grand problem of meteoric astronomy to- day is to detect their allied comets ... ring , throw them one day later at each period . It will be noticed that it is not necessary that the period of the ...
... rings have been identified , and the grand problem of meteoric astronomy to- day is to detect their allied comets ... ring , throw them one day later at each period . It will be noticed that it is not necessary that the period of the ...
Page 69
Joel Dorman Steele. mcline it slightly , as compared with some other fixed plane ring , as in the cut . The astronomical fixed plane is the ecliptic . Imagine a planet follow- ing the inclined ellipse ; at some point it must rise above ...
Joel Dorman Steele. mcline it slightly , as compared with some other fixed plane ring , as in the cut . The astronomical fixed plane is the ecliptic . Imagine a planet follow- ing the inclined ellipse ; at some point it must rise above ...
Page 94
... ring of light was observed to surround the black disk of the planet . The evidence of an atmosphere , as well as of mountains , rests very much upon the peculiar appearance attending its crescent shape . ( 1. ) The luminous part does ...
... ring of light was observed to surround the black disk of the planet . The evidence of an atmosphere , as well as of mountains , rests very much upon the peculiar appearance attending its crescent shape . ( 1. ) The luminous part does ...
Page 124
... ring of matter about the equator - is turned , not exactly toward the sun , but is elevated above it . Now the attraction of the sun pulls the part D more strongly than the centre ; the tendency of this is to bring D down to a . In the ...
... ring of matter about the equator - is turned , not exactly toward the sun , but is elevated above it . Now the attraction of the sun pulls the part D more strongly than the centre ; the tendency of this is to bring D down to a . In the ...
Page 136
... ring to the tube the motion of the ball , and carried Fig . 38 . P ABERRATION OF LIGHT . along with the former , unconscious of its motion , would fancy that the ball had been moving in an inclined direction , and had come from Q. A ...
... ring to the tube the motion of the ball , and carried Fig . 38 . P ABERRATION OF LIGHT . along with the former , unconscious of its motion , would fancy that the ball had been moving in an inclined direction , and had come from Q. A ...
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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