Fourteen Weeks in Descriptive Astronomy |
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Page 10
... called before being ignited ) of the November ring have a period of 33 years , but the great showers occur once in 33 years , or , more cor- rectly , 33 years and one day . The precession of the equinoxes and the motion of the nodes of ...
... called before being ignited ) of the November ring have a period of 33 years , but the great showers occur once in 33 years , or , more cor- rectly , 33 years and one day . The precession of the equinoxes and the motion of the nodes of ...
Page 15
... called “ planets ” ( literally , wan- derers ) . Others remain immovable , and shine with a shifting , twinkling light . They are termed the " fixed stars , " although it is now known that they also are in motion - the most rapid of any ...
... called “ planets ” ( literally , wan- derers ) . Others remain immovable , and shine with a shifting , twinkling light . They are termed the " fixed stars , " although it is now known that they also are in motion - the most rapid of any ...
Page 19
... called the " Newton of Antiquity . " He was the most celebrated of the Greek astrono- He calculated the length of the year to with- in six minutes , discovered the precession of the equi- noxes , and made the first catalogue of the ...
... called the " Newton of Antiquity . " He was the most celebrated of the Greek astrono- He calculated the length of the year to with- in six minutes , discovered the precession of the equi- noxes , and made the first catalogue of the ...
Page 20
... called . The advo- cates of this theory assumed that every planet re- volves in a circle , and that the earth is the fixed centre around which the sun and the heavenly bodies move . They then conceived that a bar , or some- thing ...
... called . The advo- cates of this theory assumed that every planet re- volves in a circle , and that the earth is the fixed centre around which the sun and the heavenly bodies move . They then conceived that a bar , or some- thing ...
Page 23
... called before a committee of the House of Commons to give his opinion on the probable issue of some enterprise then under consideration . How- ever foolish the system of Astrology itself may have been , it preserved the science of ...
... called before a committee of the House of Commons to give his opinion on the probable issue of some enterprise then under consideration . How- ever foolish the system of Astrology itself may have been , it preserved the science 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 cause 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 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 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 zone