Fourteen Weeks in Descriptive Astronomy |
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Page 6
... Nebular Hypothesis , & c . To teachers heretofore compelled to use a cum- bersome set of charts , it is hoped that the star maps here offered will present a welcome substitute . The geometrical figures showing the actual appearance of ...
... Nebular Hypothesis , & c . To teachers heretofore compelled to use a cum- bersome set of charts , it is hoped that the star maps here offered will present a welcome substitute . The geometrical figures showing the actual appearance of ...
Page 12
... NEBULAR HYPOTHESIS CELESTIAL CHEMISTRY . - SPECTRUM ANALYSIS TIME · CELESTIAL MEASUREMENTS APPENDIX TABLES • QUESTIONS · GUIDE TO THE CONSTELLATIONS INDEX . . 265 280 • 282 284 288 298 311 · 312 315 • 331 335 INTRODUCTION . ASTRONOMY ...
... NEBULAR HYPOTHESIS CELESTIAL CHEMISTRY . - SPECTRUM ANALYSIS TIME · CELESTIAL MEASUREMENTS APPENDIX TABLES • QUESTIONS · GUIDE TO THE CONSTELLATIONS INDEX . . 265 280 • 282 284 288 298 311 · 312 315 • 331 335 INTRODUCTION . ASTRONOMY ...
Page 272
... NEBULA . These are faint misty objects like specks of luminous clouds . They are generally either round or oval , and brightest at the centre . They differ from " clusters " in not being resolvable into stars when viewed through the ...
... NEBULA . These are faint misty objects like specks of luminous clouds . They are generally either round or oval , and brightest at the centre . They differ from " clusters " in not being resolvable into stars when viewed through the ...
Page 274
... nebulae have the form of a ring . There are but four of these " ring universes . " In Fig . 84 . NEBULA IN LYRA . the cut is a representation of one in Lyra - first as seen by Herschel , and having in the centre a nebu- lous film like a ...
... nebulae have the form of a ring . There are but four of these " ring universes . " In Fig . 84 . NEBULA IN LYRA . the cut is a representation of one in Lyra - first as seen by Herschel , and having in the centre a nebu- lous film like a ...
Page 275
Joel Dorman Steele. Fig . 85 . along the edge . Though apparently so small , its. SPIRAL CLUSTER IN CANES VENATICI . DUMB - BELL NEBULA . HERSCHEL'S THEORY OF THE MILKY. NEBULA . 275.
Joel Dorman Steele. Fig . 85 . along the edge . Though apparently so small , its. SPIRAL CLUSTER IN CANES VENATICI . DUMB - BELL NEBULA . HERSCHEL'S THEORY OF THE MILKY. NEBULA . 275.
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Common terms and phrases
ancients Andromeda angle aphelion appear Aries astronomers atmosphere axis Boötes bright brilliant Canis Minor Capricornus Cassiopeia cause Celestial Sphere centre Cepheus circle color comet conjunction constellation Cor Caroli dark density Describe diameter disk earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavenly bodies heavens Hercules Herschel horizon inclined inferior conjunction inferior planet Jupiter latitude length light luminous lunar Lyra magnitude Mars mean distance Mercury meridian meteors miles moon's motion move naked eye nearly nebula Neptune night node north pole Orion parallax pass path penumbra perihelion Perseus Pisces polar Polaris precession rays revolve ring rising Saturn seasons seen shine side sidereal sidereal day solar day solar system solstice space spots summer sun's surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible winter Zodiac