Fourteen Weeks in Descriptive Astronomy |
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Page 41
... Solstices . The Poles of the Ecliptic are the points where the axis of the earth's orbit meets the Celestial Sphere . ( Little used . ) The Equinoxes are the points where the ecliptic intersects the equinoctial . The place where the sun ...
... Solstices . The Poles of the Ecliptic are the points where the axis of the earth's orbit meets the Celestial Sphere . ( Little used . ) The Equinoxes are the points where the ecliptic intersects the equinoctial . The place where the sun ...
Page 87
... solstice , and as far toward the northern hori- zon at the other . The equatorial regions , there- fore , modify their temperature during each rev- Summer Solstice Sprin Fig . 23 Vernal Equinox Winter Winter Solstice Summer Autumnal ...
... solstice , and as far toward the northern hori- zon at the other . The equatorial regions , there- fore , modify their temperature during each rev- Summer Solstice Sprin Fig . 23 Vernal Equinox Winter Winter Solstice Summer Autumnal ...
Page 92
... A stone let fall upon its surface would fall 14 feet in the first second : a pound weight removed to its. EXTREME , MEAN , AND LEAST APPARENT SIZE OF VENUS . VENUS AT ITS SOLSTICE . CRESCENT AND SPOTS OF VENUS. 92 THE SOLAR SYSTEM .
... A stone let fall upon its surface would fall 14 feet in the first second : a pound weight removed to its. EXTREME , MEAN , AND LEAST APPARENT SIZE OF VENUS . VENUS AT ITS SOLSTICE . CRESCENT AND SPOTS OF VENUS. 92 THE SOLAR SYSTEM .
Page 93
... solstice a torrid temperature , and at the other a prolonged arctic cold . The inequality of the nights is very marked . The heat and. VENUS AT ITS SOLSTICE . CRESCENT AND SPOTS OF VENUS . THE EARTH IN SPACE. VENUS . 93.
... solstice a torrid temperature , and at the other a prolonged arctic cold . The inequality of the nights is very marked . The heat and. VENUS AT ITS SOLSTICE . CRESCENT AND SPOTS OF VENUS . THE EARTH IN SPACE. VENUS . 93.
Page 110
... turned . It is its rotation which keeps a boy's hoop * There is a slight variation from this , which we shall soon notice . Autumnal Equinox 22 September Aphelion 1 July Summer Solstice 21 110 THE SOLAR SYSTEM . THE SEASONS.
... turned . It is its rotation which keeps a boy's hoop * There is a slight variation from this , which we shall soon notice . Autumnal Equinox 22 September Aphelion 1 July Summer Solstice 21 110 THE SOLAR SYSTEM . THE SEASONS.
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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