Fourteen Weeks in Descriptive Astronomy |
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Page 20
... meridian . PTOLEMAIC THEORY . - The movements of the planets were to the ancients extremely complex . Venus , for instance , was sometimes seen as " evening star " in the west , and then again as " morning star " in the east . Sometimes ...
... meridian . PTOLEMAIC THEORY . - The movements of the planets were to the ancients extremely complex . Venus , for instance , was sometimes seen as " evening star " in the west , and then again as " morning star " in the east . Sometimes ...
Page 37
... Meridian . A vertical circle is one passing through the poles of the horizon ( the zenith and nadir ) . The Prime Vertical is a vertical circle passing through the East and West points . The Meridian is a vertical circle passing through ...
... Meridian . A vertical circle is one passing through the poles of the horizon ( the zenith and nadir ) . The Prime Vertical is a vertical circle passing through the East and West points . The Meridian is a vertical circle passing through ...
Page 39
... meridian passing through the vernal equinox ; as the meridian passing through Green- wich is the point from which terrestrial longitude is measured . Declination is distance from the equinoctial , meas- ured on any vertical circle or ...
... meridian passing through the vernal equinox ; as the meridian passing through Green- wich is the point from which terrestrial longitude is measured . Declination is distance from the equinoctial , meas- ured on any vertical circle or ...
Page 40
... meridian passing through the equinoxes ; the Solstitial Colure is the meridian passing through the solstitial points . The Parallels of Celestial Latitude are now little used , but are small circles drawn parallel to the ecliptic , as ...
... meridian passing through the equinoxes ; the Solstitial Colure is the meridian passing through the solstitial points . The Parallels of Celestial Latitude are now little used , but are small circles drawn parallel to the ecliptic , as ...
Page 79
... meridian at midnight while the sun is on the corresponding meridian on the opposite side of the earth ; or the planet may be rising when the sun is just setting . When the planet is at N , it is in conjunction , and being lost in the ...
... meridian at midnight while the sun is on the corresponding meridian on the opposite side of the earth ; or the planet may be rising when the sun is just setting . When the planet is at N , it is in conjunction , and being lost in the ...
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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