Fourteen Weeks in Descriptive Astronomy |
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Page 71
... velocity of a planet decreases as its distance from the sun increases . CONJUNCTIONS OF PLANETS . - The grouping together of two or more planets within a limited area of the heavens is a rare event . The earliest record we have is the ...
... velocity of a planet decreases as its distance from the sun increases . CONJUNCTIONS OF PLANETS . - The grouping together of two or more planets within a limited area of the heavens is a rare event . The earliest record we have is the ...
Page 77
... velocity . While the planet is at B , we locate it a C on the ecliptic , in Gemini ; but at D , it appears to us to be at G , in Taurus . So that the planet has retrograded through an entire sign on the ecliptic , while its course all ...
... velocity . While the planet is at B , we locate it a C on the ecliptic , in Gemini ; but at D , it appears to us to be at G , in Taurus . So that the planet has retrograded through an entire sign on the ecliptic , while its course all ...
Page 96
... velocity ; that it is not fixed , but hanging in space , held by an invisible power of gravitation which it cannot evade ; that it is small and insignificant beside the mighty globes that so gently shine upon us in the far - off sky ...
... velocity ; that it is not fixed , but hanging in space , held by an invisible power of gravitation which it cannot evade ; that it is small and insignificant beside the mighty globes that so gently shine upon us in the far - off sky ...
Page 103
... velocity with which we are flying through the air , because the air moves with us . * Yet were the earth suddenly to stop its rotation , the terrible shock would , without doubt , destroy the entire race of man , and we , with houses ...
... velocity with which we are flying through the air , because the air moves with us . * Yet were the earth suddenly to stop its rotation , the terrible shock would , without doubt , destroy the entire race of man , and we , with houses ...
Page 118
... velocity of the earth . We can see , by looking at the plate , that the velocity of the earth must vary in different portions of its orbit . When passing from the vernal equinox to aphelion , the attraction of the sun tends to check its ...
... velocity of the earth . We can see , by looking at the plate , that the velocity of the earth must vary in different portions of its orbit . When passing from the vernal equinox to aphelion , the attraction of the sun tends to check its ...
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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