Elementary Lessons in Astronomy |
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Page 5
... history of all stars . All the bodies in the universe are undoubt- edly different aggregations of meteorites , and the differ- ences between them are due to the different states of condensation . The light of the self - luminous bodies ...
... history of all stars . All the bodies in the universe are undoubt- edly different aggregations of meteorites , and the differ- ences between them are due to the different states of condensation . The light of the self - luminous bodies ...
Page 7
... history of our planet , or when we wish to map its surface . 21. Such , then , is Astronomy - the science which , as its name , derived from two Greek words ( ảστýp , “ star , ” and voμos , " law , " ) implies , unfolds to us the laws ...
... history of our planet , or when we wish to map its surface . 21. Such , then , is Astronomy - the science which , as its name , derived from two Greek words ( ảστýp , “ star , ” and voμos , " law , " ) implies , unfolds to us the laws ...
Page 87
... history , earthquakes and changes of level have been at work , as they are at work now - but much more effectively , either because the changes were more decided and sudden , or because they were at work over immense periods of time ...
... history , earthquakes and changes of level have been at work , as they are at work now - but much more effectively , either because the changes were more decided and sudden , or because they were at work over immense periods of time ...
Page 95
... history with which we are acquainted , from the dawn of life indicated in what geologists call the oldest rocks , down to our own time , and perhaps onwards for tens of thousands of years , is only the history of the Earth between the ...
... history with which we are acquainted , from the dawn of life indicated in what geologists call the oldest rocks , down to our own time , and perhaps onwards for tens of thousands of years , is only the history of the Earth between the ...
Page 103
... history of the phases is as follows : - New Moon . The Moon is invisible to us , because the Sun is lighting up one side and we are on the other . Crescent Moon . We just begin to see a little of the illumi- nated portion , but the Moon ...
... history of the phases is as follows : - New Moon . The Moon is invisible to us , because the Sun is lighting up one side and we are on the other . Crescent Moon . We just begin to see a little of the illumi- nated portion , but the Moon ...
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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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