Fourteen Weeks in Descriptive Astronomy |
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Page 8
... Equinoxes , Eclipses , Phases of the Moon , etc. Messrs . A. S. Barnes & Co. , New York City , furnish a good instru- ment at a low price . The article on " Celestial Measurements , " near the close of the work , should be constantly ...
... Equinoxes , Eclipses , Phases of the Moon , etc. Messrs . A. S. Barnes & Co. , New York City , furnish a good instru- ment at a low price . The article on " Celestial Measurements , " near the close of the work , should be constantly ...
Page 10
... equinoxes and the motion of the nodes of the ring , throw them one day later at each period . It will be noticed that it is not necessary that the period of the showers and that of the meteors should exactly agree . " ( Swift . ) ( P ...
... equinoxes and the motion of the nodes of the ring , throw them one day later at each period . It will be noticed that it is not necessary that the period of the showers and that of the meteors should exactly agree . " ( Swift . ) ( P ...
Page 38
... apart ) extended to the Celestial Sphere . The Colures are two principal meridians ; the Equinoctial Colure is the meridian passing through the equinoxes ; the Solstitial Colure is the meridian passing 38 INTRODUCTION .
... apart ) extended to the Celestial Sphere . The Colures are two principal meridians ; the Equinoctial Colure is the meridian passing through the equinoxes ; the Solstitial Colure is the meridian passing 38 INTRODUCTION .
Page 39
... Equinoxes . The Celestial Poles are the points where the axis of the earth extended pierces the Celestial Sphere , and are ... equinox ; as the meridian passing through Greenwich is the point from which terrestrial longitude is measured ...
... Equinoxes . The Celestial Poles are the points where the axis of the earth extended pierces the Celestial Sphere , and are ... equinox ; as the meridian passing through Greenwich is the point from which terrestrial longitude is measured ...
Page 41
... Equinoxes , and the Solstices . The Poles of the Ecliptic are the points where the axis of the earth's orbit meets the ... Equinox . The Solstices are the two points of the ecliptic most distant from the Equator ; or they may be con ...
... Equinoxes , and the Solstices . The Poles of the Ecliptic are the points where the axis of the earth's orbit meets the ... Equinox . The Solstices are the two points of the ecliptic most distant from the Equator ; or they may be con ...
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Common terms and phrases
ancients Andromeda angle aphelion appearance Aries astronomers atmosphere axis body Boötes bright brilliant Canis Minor Capricornus Cassiopeia celestial centre Cepheus circle color comet conjunction constellation Cor Caroli dark density Describe diameter disk Draco earth east ecliptic equal equator equinoctial figure fixed stars full moon globe heat heavens Hercules Herschel horizon inclined inferior inferior conjunction inferior planet Jupiter latitude length light lunar Lyra magnitude Mars mean distance Mercury meridian meteors miles moon moon's motion move naked eye nearly nebula Neptune node north pole orbit Orion parallax pass path penumbra perihelion Perseus Pisces planet Polaris precession rays revolve ring rising Saturn seasons seen shadow shines shower sidereal sidereal day solar day solar system space spots summer sun's superior planet surface synodic revolution tance Taurus telescope theory tion Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible zodiac