Fourteen Weeks in Descriptive Astronomy |
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Page 20
... opposite . At one time she would recede from the sun more and more slowly and coyly , until she would appear to be entirely station- ary ; then she would retrace her steps , and seem to meet the sun . All these facts were attempted to ...
... opposite . At one time she would recede from the sun more and more slowly and coyly , until she would appear to be entirely station- ary ; then she would retrace her steps , and seem to meet the sun . All these facts were attempted to ...
Page 37
... opposite sides of the earth have the same rational horizon . ( b ) THE SUBORDINATE CIRCLES . - These are the Prime Vertical circle and the Meridian . A vertical circle is one passing through the poles of the horizon ( the zenith and ...
... opposite sides of the earth have the same rational horizon . ( b ) THE SUBORDINATE CIRCLES . - These are the Prime Vertical circle and the Meridian . A vertical circle is one passing through the poles of the horizon ( the zenith and ...
Page 59
... opposite side of the sun from us , and least when on the same side . When both Venus and Jupiter are on the side of the sun op- posite to us , the spots are much larger than when Venus alone is in that position . In part explana- tion ...
... opposite side of the sun from us , and least when on the same side . When both Venus and Jupiter are on the side of the sun op- posite to us , the spots are much larger than when Venus alone is in that position . In part explana- tion ...
Page 69
... opposite point of intersection is termed the descending node . A line connecting the two nodes is called the line of the nodes . The longitude of the node is its distance from the first point of Aries , measured on the ecliptic ...
... opposite point of intersection is termed the descending node . A line connecting the two nodes is called the line of the nodes . The longitude of the node is its distance from the first point of Aries , measured on the ecliptic ...
Page 75
... opposite part of the heavens from that in which it would appear to him if viewed from the earth . MOTIONS OF AN INFERIOR PLANET . - An inferior planet is never seen by us in the part of the sky opposite to the sun at the time of ...
... opposite part of the heavens from that in which it would appear to him if viewed from the earth . MOTIONS OF AN INFERIOR PLANET . - An inferior planet is never seen by us in the part of the sky opposite to the sun at the time of ...
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Common terms and phrases
ancients Andromeda angle aphelion appearance Aries astronomers atmosphere axis body Boötes bright brilliant Canis Minor Capricornus Cassiopeia celestial centre Cepheus circle color comet conjunction constellation Cor Caroli dark density Describe diameter disk Draco earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavens Hercules Herschel horizon inclined inferior inferior conjunction inferior planet Jupiter latitude length light lunar Lyra magnitude Mars mean distance Mercury meridian meteors miles moon moon's motion move naked eye nearly nebula Neptune node north pole orbit Orion parallax pass path penumbra perihelion Perseus Pisces planet Polaris precession rays revolve ring rising Saturn seasons seen shadow shines shower sidereal sidereal day solar day solar system space spots summer sun's superior planet surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible zodiac