The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
From inside the book
Results 6-10 of 44
Page 59
... continue visible to us for a period of 3 years and 82 days after it had ceased to be . If the nearest stars give such astonishing results , what shall we say of those which are situated a thousand times as far beyond these , as these ...
... continue visible to us for a period of 3 years and 82 days after it had ceased to be . If the nearest stars give such astonishing results , what shall we say of those which are situated a thousand times as far beyond these , as these ...
Page 60
... continue to the 11th of August , being one day less than the ancients reckoned . 107. Hence , it is plain that the Dog - days of the moderns have no reference whatever to the rising of Sirius , or any other star , because the time of ...
... continue to the 11th of August , being one day less than the ancients reckoned . 107. Hence , it is plain that the Dog - days of the moderns have no reference whatever to the rising of Sirius , or any other star , because the time of ...
Page 63
... continues visible but a few hours . 115. Gamma , in the middle of the ship , is a star of the 2d magnitude , about 7 ° S. of Naos , and just skims above the south- ern horizon for a few minutes , and then sinks beneath it . The ...
... continues visible but a few hours . 115. Gamma , in the middle of the ship , is a star of the 2d magnitude , about 7 ° S. of Naos , and just skims above the south- ern horizon for a few minutes , and then sinks beneath it . The ...
Page 119
... continues but 40 hours ; it then gradually diminishes for 66 hours , when its luster remains station- ary for 30 hours . It then waxes brighter and brighter , until it appears again as a star of the 3d magnitude . From these phenomena ...
... continues but 40 hours ; it then gradually diminishes for 66 hours , when its luster remains station- ary for 30 hours . It then waxes brighter and brighter , until it appears again as a star of the 3d magnitude . From these phenomena ...
Page 146
... continue to enjoy their fianced honors in the sky , as to see their places supplied by the princes of Europe . 271. The number of the old constellations , including those of the Zodiac , was only forty - eight . As men advanced in the ...
... continue to enjoy their fianced honors in the sky , as to see their places supplied by the princes of Europe . 271. The number of the old constellations , including those of the Zodiac , was only forty - eight . As men advanced in the ...
Other editions - View all
Common terms and phrases
3d magnitude 4th magnitude angle aphelion appear Arcturus Aries astronomers Auriga axis Beta blue bright star called Cassiopeia celestial Cepheus circle cluster comet constellation Cor Caroli declination degree Delta Denebola diameter distant companion DOUBLE STAR Earth Earth's orbit east ecliptic equator equinoctial figure fixed stars Gamma head heavens hemisphere Herschel horizon Jupiter latitude light longitude luminous Map VIII mean distance Mercury meridian miles minutes Moon Moon's motion naked eye nearly NEBULA node north pole northern Number of stars o'clock observed Orion pale yellow parallax pass perihelion period planet Pleiades polar position principal star Refracting telescopes refraction remarkable represented revolution revolve right ascension rising satellites Saturn seen shadow sidereal Sirius situated small stars solstice southern Sun's supposed surface Taurus TELESCOPIC OBJECTS TELESCOPIC OBJECTS.-Alpha tides tion triangle TRIPLE STAR Ursa Ursa Major Venus vernal equinox visible Zeta Zodiac