Fourteen Weeks in Descriptive Astronomy |
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Page 148
Joel Dorman Steele. HARVEST MOON . - While the moon rises on the average 50 m . later each night , the exact time va- ries ... moon's path around the earth when the solstitial points are in the horizon — E D when the equinoxes are in the ...
Joel Dorman Steele. HARVEST MOON . - While the moon rises on the average 50 m . later each night , the exact time va- ries ... moon's path around the earth when the solstitial points are in the horizon — E D when the equinoxes are in the ...
Page 150
... moon's axis is so nearly perpendicular to her orbit , she cannot properly be said to have any change of seasons ... MOON . 150 THE SOLAR SYSTEM .
... moon's axis is so nearly perpendicular to her orbit , she cannot properly be said to have any change of seasons ... MOON . 150 THE SOLAR SYSTEM .
Page 155
... moon , she would necessarily come be- tween the earth and the sun , for the three bodies are then in the same straight line . This would cause Earth Fig . 47 . Eclipse of the Sun ECLIPSE OF SUN . an eclipse of the sun . If the moon's ...
... moon , she would necessarily come be- tween the earth and the sun , for the three bodies are then in the same straight line . This would cause Earth Fig . 47 . Eclipse of the Sun ECLIPSE OF SUN . an eclipse of the sun . If the moon's ...
Page 157
... moon's diameter is so much less than that of the earth , her cone of shadow is too small to enshroud the entire globe , so that the region in which it is total cannot exceed 180 miles in breadth . As , however , the earth is con ...
... moon's diameter is so much less than that of the earth , her cone of shadow is too small to enshroud the entire globe , so that the region in which it is total cannot exceed 180 miles in breadth . As , however , the earth is con ...
Page 160
... moon's orbit are constantly moving backward . They complete a rev- olution around the ecliptic in about eighteen and a half years . Now the moon makes 223 synodic revolutions in 18 yr . 10 da .; the sun makes 19 rev- olutions with ...
... moon's orbit are constantly moving backward . They complete a rev- olution around the ecliptic in about eighteen and a half years . Now the moon makes 223 synodic revolutions in 18 yr . 10 da .; the sun makes 19 rev- olutions with ...
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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