Fourteen Weeks in Descriptive Astronomy |
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Page 20
... seen as " evening star " in the west , and then again as " morning star " in the east . Sometimes she seemed to be moving in the same direction as the sun , then going apparently behind the sun , appeared to pass on again in a course ...
... seen as " evening star " in the west , and then again as " morning star " in the east . Sometimes she seemed to be moving in the same direction as the sun , then going apparently behind the sun , appeared to pass on again in a course ...
Page 31
... from the seven planets . Now , if we increase the number of planets , this whole system falls to the ground . " NEWTON . - As we have seen , the truth of the Co- pernican system was fully established by the discov- eries of HISTORY . 31.
... from the seven planets . Now , if we increase the number of planets , this whole system falls to the ground . " NEWTON . - As we have seen , the truth of the Co- pernican system was fully established by the discov- eries of HISTORY . 31.
Page 36
... seen with the naked eye even at midday . In this way it is said a celebrated optician was first led to think of there being stars by day as well as by night . One half of the sphere is constantly visible to us ; and so far distant are ...
... seen with the naked eye even at midday . In this way it is said a celebrated optician was first led to think of there being stars by day as well as by night . One half of the sphere is constantly visible to us ; and so far distant are ...
Page 50
... to be called in question . Scheiner , it is said , having reported to his superior that he had seen spots on the sun's face , was abruptly dis- missed with these remarks : " I have read Aristotle's 50 THE SOLAR SYSTEM .
... to be called in question . Scheiner , it is said , having reported to his superior that he had seen spots on the sun's face , was abruptly dis- missed with these remarks : " I have read Aristotle's 50 THE SOLAR SYSTEM .
Page 52
... seen . As many as two hundred spots have been noticed at one time . They are found in two belts , one on each side ... seen which was 14,816 miles across , and was visible to the naked eye for an entire week . On the day of the eclipse ...
... seen . As many as two hundred spots have been noticed at one time . They are found in two belts , one on each side ... seen which was 14,816 miles across , and was visible to the naked eye for an entire week . On the day of the eclipse ...
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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