Fourteen Weeks in Descriptive Astronomy |
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Page 8
... east . When it is important to obtain this idea correctly , the book should be held up toward the south- ern sky . It Never let a pupil recite a lesson , nor answer a question , except it be a mere definition , in the language of the ...
... east . When it is important to obtain this idea correctly , the book should be held up toward the south- ern sky . It Never let a pupil recite a lesson , nor answer a question , except it be a mere definition , in the language of the ...
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 Greenwich is the point from which terrestrial longitude ...
... 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 Greenwich is the point from which terrestrial longitude ...
Page 53
... 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 sido. THE SUN . 53.
... 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 sido. THE SUN . 53.
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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