Fourteen Weeks in Descriptive Astronomy |
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Page 96
... Meridian . The Earth is the next planet we meet in passing outward from the sun . To the beginner , it seems strange enough to class our world among the heav- enly bodies . They are brilliant , while it is dark and opaque ; they appear ...
... Meridian . The Earth is the next planet we meet in passing outward from the sun . To the beginner , it seems strange enough to class our world among the heav- enly bodies . They are brilliant , while it is dark and opaque ; they appear ...
Page 97
... has been recently Fig . 27 . shown that the equator itself is not a perfect circle , but is somewhat flattened , since the diameter which pierces the meridian 14 ° east of Greenwich is two. THE EARTH IN SPACE . 5 THE EARTH . 97.
... has been recently Fig . 27 . shown that the equator itself is not a perfect circle , but is somewhat flattened , since the diameter which pierces the meridian 14 ° east of Greenwich is two. THE EARTH IN SPACE . 5 THE EARTH . 97.
Page 98
Joel Dorman Steele. pierces the meridian 14 ° east of Greenwich is two miles longer than the one at right angles to it . The circumference of the earth is about 25,000 miles . Its density is about 5 times that of water . Its weight is ...
Joel Dorman Steele. pierces the meridian 14 ° east of Greenwich is two miles longer than the one at right angles to it . The circumference of the earth is about 25,000 miles . Its density is about 5 times that of water . Its weight is ...
Page 102
... meridian , and it is consequently noon . The sun then begins to decline in the sky until the specta- tor arrives at B , where it sets , or is again in the horizon on the west side , and night begins . He moves on to C , which marks his ...
... meridian , and it is consequently noon . The sun then begins to decline in the sky until the specta- tor arrives at B , where it sets , or is again in the horizon on the west side , and night begins . He moves on to C , which marks his ...
Page 104
... 29 . Z K F N E P Z ' Unequal diurnal orbits of the stars . Let O repre- sent our position on the earth's surface , E Z B our meridian ; EIB K our horizon ; P and P ' the north and south poles , Z the zenith , Z ' 104 THE SOLAR SYSTEM .
... 29 . Z K F N E P Z ' Unequal diurnal orbits of the stars . Let O repre- sent our position on the earth's surface , E Z B our meridian ; EIB K our horizon ; P and P ' the north and south poles , Z the zenith , Z ' 104 THE SOLAR SYSTEM .
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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