Fourteen Weeks in Descriptive Astronomy |
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Page 75
... inferior conjunction , an observer at the sun would see it in the opposite part of the heavens from that in which it would appear to him if viewed from the earth . MOTIONS OF AN INFERIOR PLANET . - An inferior planet is never seen by us ...
... inferior conjunction , an observer at the sun would see it in the opposite part of the heavens from that in which it would appear to him if viewed from the earth . MOTIONS OF AN INFERIOR PLANET . - An inferior planet is never seen by us ...
Page 76
... inferior planet is never visible when in superior conjunction , as its light is then lost in the greater brilliancy of the sun . When in inferior conjunction , it sometimes passes in front. Fig . 19 . B ORBIT AND SEASONS OF MERCURY . 76 ...
... inferior planet is never visible when in superior conjunction , as its light is then lost in the greater brilliancy of the sun . When in inferior conjunction , it sometimes passes in front. Fig . 19 . B ORBIT AND SEASONS OF MERCURY . 76 ...
Page 77
Joel Dorman Steele. When in inferior conjunction , it sometimes passes in front of the sun , and appears to us as a round black spot swiftly moving across his disk . This is called a transit . Fig . 20 . G A RETROGRADE MOTION ...
Joel Dorman Steele. When in inferior conjunction , it sometimes passes in front of the sun , and appears to us as a round black spot swiftly moving across his disk . This is called a transit . Fig . 20 . G A RETROGRADE MOTION ...
Page 78
... conjunction , an inferior Fig . 21 . E S W PHASES OF AN INFERIOR PLANET . planet may be seen with a telescope ; but the whole of the light side is not turned toward us , and so the planet appears gibbous , like the moon between first ...
... conjunction , an inferior Fig . 21 . E S W PHASES OF AN INFERIOR PLANET . planet may be seen with a telescope ; but the whole of the light side is not turned toward us , and so the planet appears gibbous , like the moon between first ...
Page 79
... conjunction , and being lost in the sun's rays is invisible to us . Retrograde motion of a superior planet ... inferior planets ) ; at E , we should locate the planet at P on the ecliptic , in the sign Cancer ; but at G , it would appear ...
... conjunction , and being lost in the sun's rays is invisible to us . Retrograde motion of a superior planet ... inferior planets ) ; at E , we should locate the planet at P on the ecliptic , in the sign Cancer ; but at G , it would appear ...
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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