Fourteen Weeks in Descriptive Astronomy |
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Page 18
... axis , and yearly around the sun ; that Venus is both morning and evening star ; that the planets are inhabited — and he even attempted to calculate the size of some of the animals in the moon ; that the planets are placed at intervals ...
... axis , and yearly around the sun ; that Venus is both morning and evening star ; that the planets are inhabited — and he even attempted to calculate the size of some of the animals in the moon ; that the planets are placed at intervals ...
Page 24
... axis : that this produces the apparent daily revolution of the sun and stars ; while the yearly motion of the earth about the sun , transferred in the same manner to that body , would account for its various movements . Though Coper ...
... axis : that this produces the apparent daily revolution of the sun and stars ; while the yearly motion of the earth about the sun , transferred in the same manner to that body , would account for its various movements . Though Coper ...
Page 37
... axis of the horizon pierces the celestial sphere . The N. , S. , E. , and W. points are familiar to all . ( d ) MEASUREMENTS . - These are Azimuth , Ampli- tude , Altitude , and Zenith distance . Azimuth is the distance from the ...
... axis of the horizon pierces the celestial sphere . The N. , S. , E. , and W. points are familiar to all . ( d ) MEASUREMENTS . - These are Azimuth , Ampli- tude , Altitude , and Zenith distance . Azimuth is the distance from the ...
Page 39
... axis of the earth extended pierces the Celestial Sphere , and are the extremities of the celestial axis , just as the poles of the earth are the extremities of the earth's axis . The North Point is marked very nearly by the North Star ...
... axis of the earth extended pierces the Celestial Sphere , and are the extremities of the celestial axis , just as the poles of the earth are the extremities of the earth's axis . The North Point is marked very nearly by the North Star ...
Page 41
... 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 crosses the equinoctial * in going North , which occurs about ...
... 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 crosses the equinoctial * in going North , which occurs about ...
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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