Elementary Lessons in Astronomy |
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Page 5
... increased , and different orders of stars are formed . Comets are similar in constitution to the nebula and some stars , and differ from them only in coming within the limits of our system . They rush for the most part from distant ...
... increased , and different orders of stars are formed . Comets are similar in constitution to the nebula and some stars , and differ from them only in coming within the limits of our system . They rush for the most part from distant ...
Page 9
... increased , as that instrument enables us to see stars too feeble to be perceived by the eye alone . For this reason such stars are called telescopic stars . The stars thus revealed to us still vary in brightness , and the ...
... increased , as that instrument enables us to see stars too feeble to be perceived by the eye alone . For this reason such stars are called telescopic stars . The stars thus revealed to us still vary in brightness , and the ...
Page 11
... increasing distances . Indeed , the stars which give rise to the appearance of the Milky Way , because in that part of the heavens they lie behind each other to an almost infinite distance , are probably as far from each other as our ...
... increasing distances . Indeed , the stars which give rise to the appearance of the Milky Way , because in that part of the heavens they lie behind each other to an almost infinite distance , are probably as far from each other as our ...
Page 17
... increasing . We say " generally speaking , " for it is found that the opening out and closing of the stars is not near so regular as that of the gas - lights , because all the stars themselves are moving about in different directions ...
... increasing . We say " generally speaking , " for it is found that the opening out and closing of the stars is not near so regular as that of the gas - lights , because all the stars themselves are moving about in different directions ...
Page 21
... increases again , and in another period = 12 400 。 Ceti ( called also Mira , or the Marvellous ) -it is never invisible to the naked eye . The star in question shines as a star of the second magnitude for two days , thir- MAG of three ...
... increases again , and in another period = 12 400 。 Ceti ( called also Mira , or the Marvellous ) -it is never invisible to the naked eye . The star in question shines as a star of the second magnitude for two days , thir- MAG of three ...
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Common terms and phrases
angle aphelion appear Assistant Master astronomers atmosphere attraction axis Boötes called Cambridge celestial equator celestial pole celestial sphere centre circle clock College comet constellation determined diameter direction Earth Earth's rotation Earth's surface ecliptic ELEMENTARY equal equatorial equinox exactly eye-piece fact Fcap follows globe GREEK Greenwich heavenly bodies heavens horizon Illustrated inclined Jupiter latitude length lens LESSON light longitude Mars mass measured meridian meteorites meteors miles Moon Moon's motion nearly nebulæ Neptune node object-glass observed occupied orbit parallax path penumbra perihelion planet point of Aries polar pole portion position prism Prof Professor rays refraction represent revolution revolve round right ascension ring round the Sun satellites Saturn seen shadow side sidereal solar day solstice spectrum spots stars Sun's suppose telescope tion transit travel round triangle true sun Uranus Ursa Ursa Major vapour velocity Venus vernal equinox visible
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