The Geography of the Heavens and Class-book of Astronomy: Accompanied by a Celestial Atlas |
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Page 12
... four equal parts , and mark the seasons of the year . One of them passes through the equinoxes at Aries and Libra , and is thence called the Equi- noctial Colure ; the other passes through the solstitial points or the points of the ...
... four equal parts , and mark the seasons of the year . One of them passes through the equinoxes at Aries and Libra , and is thence called the Equi- noctial Colure ; the other passes through the solstitial points or the points of the ...
Page 13
... four minutes , in passing over 1 ° . If the first point of Aries be on the meridian at 12 o'clock , the next hour line , which is 15 ° E. of it , will come to the meridian at 1 o'clock ; the second hour line at 2 o'clock ; the third at ...
... four minutes , in passing over 1 ° . If the first point of Aries be on the meridian at 12 o'clock , the next hour line , which is 15 ° E. of it , will come to the meridian at 1 o'clock ; the second hour line at 2 o'clock ; the third at ...
Page 14
... four maps , and in the circumference of the circumpolar maps , indicates the daily progress of the stars in right ascension , and shows on what day of the month any star will be on the meridian at 9 o'clock in the evening . 20. What ...
... four maps , and in the circumference of the circumpolar maps , indicates the daily progress of the stars in right ascension , and shows on what day of the month any star will be on the meridian at 9 o'clock in the evening . 20. What ...
Page 15
... four maps of the heavens ? Circumpolar ? What exception ? What point of projection chosen , and why ? 23. Classification or designation of stars ? By whom invented , and when ? Δ Ꮓ I M 037 wise LERN ABLAEZHOLKAW THE GREEK ...
... four maps of the heavens ? Circumpolar ? What exception ? What point of projection chosen , and why ? 23. Classification or designation of stars ? By whom invented , and when ? Δ Ꮓ I M 037 wise LERN ABLAEZHOLKAW THE GREEK ...
Page 19
... four minutes of time . The student will soon find it much more convenient to reckon R. A. by hours , on the maps , than by degrees , & c . 32. HISTORY . - What may it have meant ? 83. What included among Telescopic Objects ? What meant ...
... four minutes of time . The student will soon find it much more convenient to reckon R. A. by hours , on the maps , than by degrees , & c . 32. HISTORY . - What may it have meant ? 83. What included among Telescopic Objects ? What meant ...
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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