Fourteen Weeks in Descriptive Astronomy |
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Page 172
... color of the planet is thought by Herschel to be due to an ochrey tinge in the soil ; by others it is attributed to peculiarities of the atmosphere and clouds . Lambert suggests that it is the color of the vegetation , which , on Mars ...
... color of the planet is thought by Herschel to be due to an ochrey tinge in the soil ; by others it is attributed to peculiarities of the atmosphere and clouds . Lambert suggests that it is the color of the vegetation , which , on Mars ...
Page 266
... colors . Sirius is white , Antares red , and Capella yellow ; while Lyra has a blue tint , and Castor a green one ... color is presented in all its richness and beauty . We find also combinations of colors complementary to each other ...
... colors . Sirius is white , Antares red , and Capella yellow ; while Lyra has a blue tint , and Castor a green one ... color is presented in all its richness and beauty . We find also combinations of colors complementary to each other ...
Page 267
... color and the vicissitudes of extreme heat and cold which obtain on such a world , present a picture which our fancy can sketch better than words can paint . The colors of the stars change . Sirius was anciently red . It is now ...
... color and the vicissitudes of extreme heat and cold which obtain on such a world , present a picture which our fancy can sketch better than words can paint . The colors of the stars change . Sirius was anciently red . It is now ...
Page 270
... color , besides being in it- self a very unaccountable supposition . Some think that these stars revolve in enormous orbits of such eccentricity that at their most distant points they fade out of sight . Arago has shown , in reply to ...
... color , besides being in it- self a very unaccountable supposition . Some think that these stars revolve in enormous orbits of such eccentricity that at their most distant points they fade out of sight . Arago has shown , in reply to ...
Page 271
... . the southern sky there are clusters still more re- markable . In the Cross is a group of 110 stars of various colors , red , blue , and green ,. STAR - CLUSTER IN TOUCAN . SPIRAL CLUSTER IN CANES VENATICI . STAR CLUSTERS . 271.
... . the southern sky there are clusters still more re- markable . In the Cross is a group of 110 stars of various colors , red , blue , and green ,. STAR - CLUSTER IN TOUCAN . SPIRAL CLUSTER IN CANES VENATICI . STAR CLUSTERS . 271.
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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