Elementary Lessons in Astronomy |
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Page 2
... appears round , because we receive light from all parts of its surface turned towards us , the shape of the bright ... appear to us to be at rest , as a ship does when sailing along at a great distance from us . In spite , however , of ...
... appears round , because we receive light from all parts of its surface turned towards us , the shape of the bright ... appear to us to be at rest , as a ship does when sailing along at a great distance from us . In spite , however , of ...
Page 3
... appear to us if we could plant ourselves far on the other side of the most distant one . The telescope —an instrument which will be fully described further on- has , in fact , taught us that all the stars which we see , form , after all ...
... appear to us if we could plant ourselves far on the other side of the most distant one . The telescope —an instrument which will be fully described further on- has , in fact , taught us that all the stars which we see , form , after all ...
Page 4
... appears larger and brighter than the other stars being because we are nearer to it than we are to the others . It seems ... appear round as the sun does . We only see that part of it that is lit up by the sun . In the moon we have a ...
... appears larger and brighter than the other stars being because we are nearer to it than we are to the others . It seems ... appear round as the sun does . We only see that part of it that is lit up by the sun . In the moon we have a ...
Page 11
... appear nearest together ; because they appear faint in conse- quence of their distance , and because their close packing does not arise from their actual nearness to each other , but results from their lying in that direction at ...
... appear nearest together ; because they appear faint in conse- quence of their distance , and because their close packing does not arise from their actual nearness to each other , but results from their lying in that direction at ...
Page 17
... appear single to the unassisted eye , appear double , triple , or quadruple ; and in some instances the number of stars revolving round C a centre common to all is even greater . Because CHAP . I. ] THE STARS AND NEBULÆ . 17 -Double and ...
... appear single to the unassisted eye , appear double , triple , or quadruple ; and in some instances the number of stars revolving round C a centre common to all is even greater . Because CHAP . I. ] THE STARS AND NEBULÆ . 17 -Double and ...
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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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