Fourteen Weeks in Descriptive Astronomy |
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Page 69
... nearly one - quarter of a mile distant from the start- ing point to represent Jupiter ; a small orange two- fifths of a mile for Saturn ; a full - sized cherry three- quarters of a mile distant for Uranus ; and lastly , a plum 14 miles ...
... nearly one - quarter of a mile distant from the start- ing point to represent Jupiter ; a small orange two- fifths of a mile for Saturn ; a full - sized cherry three- quarters of a mile distant for Uranus ; and lastly , a plum 14 miles ...
Page 73
... nearly that of cork . The tem- perature sweeps downward through a scale of over Fig . 18 . MERCURY NEPTUNE URANUS SATURN JUPITER VENUS MNEMOSYNE CARTH LONA MARS cannot conceive of any polar inhabitant who could endure the. SIZE OF SUN AS ...
... nearly that of cork . The tem- perature sweeps downward through a scale of over Fig . 18 . MERCURY NEPTUNE URANUS SATURN JUPITER VENUS MNEMOSYNE CARTH LONA MARS cannot conceive of any polar inhabitant who could endure the. SIZE OF SUN AS ...
Page 85
... nearly three of our months . Mercury revolves upon its axis in about the same time as the earth , so that the length of the Mercurial day is nearly the same as that of the terrestrial one . Though Mercury thus completes a sidereal ...
... nearly three of our months . Mercury revolves upon its axis in about the same time as the earth , so that the length of the Mercurial day is nearly the same as that of the terrestrial one . Though Mercury thus completes a sidereal ...
Page 86
... nearly that of the earth , and a stone let drop upon its surface would fall 71⁄2 feet the first second . Its specific gravity is about that of tin . A pound weight removed to Mercury would weigh only about seven ounces . SEASONS . AS ...
... nearly that of the earth , and a stone let drop upon its surface would fall 71⁄2 feet the first second . Its specific gravity is about that of tin . A pound weight removed to Mercury would weigh only about seven ounces . SEASONS . AS ...
Page 89
... , Ves- per , or the Evening Star . She presents the same appearances as Mercury . Owing , however , to the greater diameter of her orbit , her apparent oscillations are nearly 48 ° east and west of the sun VENUS . 89 VENUS •
... , Ves- per , or the Evening Star . She presents the same appearances as Mercury . Owing , however , to the greater diameter of her orbit , her apparent oscillations are nearly 48 ° east and west of the sun VENUS . 89 VENUS •
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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