Fourteen Weeks in Descriptive Astronomy |
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Page 81
... Uranus , making a sidereal revolution in eighty - four years , can be overtaken more quickly than Mars , which makes one in less than two years . It conse- quently requires over a second revolution to catch up with Mars , of one to ...
... Uranus , making a sidereal revolution in eighty - four years , can be overtaken more quickly than Mars , which makes one in less than two years . It conse- quently requires over a second revolution to catch up with Mars , of one to ...
Page 173
... Uranus 191.82 196.00 Mars 15.23 16.00 Neptune .. 800.37 388.00 DESCRIPTION . - These minor worlds , or " pocket THE MINOR PLANETS . 173 JUPITER SATURN URANUS NEPTUNE.
... Uranus 191.82 196.00 Mars 15.23 16.00 Neptune .. 800.37 388.00 DESCRIPTION . - These minor worlds , or " pocket THE MINOR PLANETS . 173 JUPITER SATURN URANUS NEPTUNE.
Page 191
... Uranus . Satellites . - Uranus has four moons , of which little is known except the curious fact that their orbits are nearly perpendicular to the plane of the planet's orbit , and that their movements are retro- grade - i . e . , in ...
... Uranus . Satellites . - Uranus has four moons , of which little is known except the curious fact that their orbits are nearly perpendicular to the plane of the planet's orbit , and that their movements are retro- grade - i . e . , in ...
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Common terms and phrases
ancients angle aphelion appear astronomers atmosphere axis bright brilliant called Capricornus Cassiopeia Celestial Sphere centre circle color comet conjunction constellation Cor Caroli dark density diameter disk earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavenly bodies heavens Hercules Herschel horizon inclined inferior inferior conjunction inferior planet Jupiter latitude length light longitude luminous lunar magnitude Mars mean distance measured Mercury meridian meteors miles moon moon's motion move naked eye nearly nebula Neptune night node north pole obliquity observer orbit parallax pass path penumbra perihelion Perseus planet polar position rays revolve Right Ascension ring rotation satellites Saturn seasons seen shadow shine side sidereal sidereal day solar system space spots summer sun's superior planet supposed surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major varies velocity Venus vernal equinox visible zenith zodiac