Fourteen Weeks in Descriptive Astronomy |
From inside the book
Results 1-5 of 31
Page 9
... east . When it is important to obtain this idea correctly , the book should be held up toward the south- ern sky . Never let a pupil recite a lesson , nor answer a question , except it be a mere definition , in the language of the book ...
... east . When it is important to obtain this idea correctly , the book should be held up toward the south- ern sky . Never let a pupil recite a lesson , nor answer a question , except it be a mere definition , in the language of the book ...
Page 20
... 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 directly opposite . At one time she would recede from the sun more and more slowly ...
... 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 directly opposite . At one time she would recede from the sun more and more slowly ...
Page 37
... East and West points . The Meridian is a vertical circle passing through the North and South points . ( c ) POINTS . - These are the Zenith , the Nadir , the N. , S. , E. , and W. points . The Zenith is the point directly overhead , and ...
... East and West points . The Meridian is a vertical circle passing through the North and South points . ( c ) POINTS . - These are the Zenith , the Nadir , the N. , S. , E. , and W. points . The Zenith is the point directly overhead , and ...
Page 39
... East , instead of 180 ° as on the earth . R. A. is never measured westward . The starting point is the meridian passing through the vernal equinox ; as the meridian passing through Green- wich is the point from which terrestrial ...
... East , instead of 180 ° as on the earth . R. A. is never measured westward . The starting point is the meridian passing through the vernal equinox ; as the meridian passing through Green- wich is the point from which terrestrial ...
Page 53
... divided by luminous bridges . The spots are in motion . They change from day to day ; but they all have a common movement . About fourteen days are required for a spot to pass across the disk of the sun from the eastern side. THE SUN . 53.
... divided by luminous bridges . The spots are in motion . They change from day to day ; but they all have a common movement . About fourteen days are required for a spot to pass across the disk of the sun from the eastern side. THE SUN . 53.
Other editions - View all
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