Fourteen Weeks in Descriptive Astronomy |
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Page 52
... rising and setting , we saw the like , which spot to me seeming was about the big- nesse of a shilling , being in 5 degrees of latitude , and still there came a great billow out of the souther board . " Number and location of spots ...
... rising and setting , we saw the like , which spot to me seeming was about the big- nesse of a shilling , being in 5 degrees of latitude , and still there came a great billow out of the souther board . " Number and location of spots ...
Page 79
... rising when the sun is just setting . When the planet is at N , it is in conjunction , and being lost in the sun's rays is invisible to us . Retrograde motion of a superior planet . - Suppose the earth to be at E and the planet at L ...
... rising when the sun is just setting . When the planet is at N , it is in conjunction , and being lost in the sun's rays is invisible to us . Retrograde motion of a superior planet . - Suppose the earth to be at E and the planet at L ...
Page 84
... rising higher each morn- ing , until its greatest elevation equals that which it before attained in the west . Thus the planet appears to slowly but steadily oscillate like a pendulum , to and fro from one side to the other of the sun ...
... rising higher each morn- ing , until its greatest elevation equals that which it before attained in the west . Thus the planet appears to slowly but steadily oscillate like a pendulum , to and fro from one side to the other of the sun ...
Page 103
... rising in a balloon to a height inacces- sible to aerial currents . The balloon , remaining immovable in this calm region , would simply await the moment when the earth , rotating underneath , would present the place of destination to ...
... rising in a balloon to a height inacces- sible to aerial currents . The balloon , remaining immovable in this calm region , would simply await the moment when the earth , rotating underneath , would present the place of destination to ...
Page 105
... rising at B would just touch the horizon ; one at I would move on the celestial equator , and would be above the horizon as long time as it is below - twelve hours in each case ; a star rising at M , would just come above the horizon ...
... rising at B would just touch the horizon ; one at I would move on the celestial equator , and would be above the horizon as long time as it is below - twelve hours in each case ; a star rising at M , would just come above the horizon ...
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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