Early Physics and Astronomy: A Historical IntroductionMacDonald and Janes, 1974 - 413 oldal |
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45. oldal
... equinox ) 90 92 92 921 Autumn ( autumnal equinox to winter solstice ) 90 89 89 881 Winter ( winter solstice to vernal equinox ) 92 222 90 90 90 The Annual Motion of the Sun Contradictory legends make it 45 PRACTICAL ASTRONOMY.
... equinox ) 90 92 92 921 Autumn ( autumnal equinox to winter solstice ) 90 89 89 881 Winter ( winter solstice to vernal equinox ) 92 222 90 90 90 The Annual Motion of the Sun Contradictory legends make it 45 PRACTICAL ASTRONOMY.
86. oldal
... equinox ; P2 is the position = 90 ° at summer solstice 94 days later , and P3 is the position λ = 180 ° at the autumnal equinox 92 days later again . In a slightly modernized form the method used by Hipparchos is as follows . From the ...
... equinox ; P2 is the position = 90 ° at summer solstice 94 days later , and P3 is the position λ = 180 ° at the autumnal equinox 92 days later again . In a slightly modernized form the method used by Hipparchos is as follows . From the ...
184. oldal
... equinox ) on which a point D revolves with uniform angular velocity , the argument of obliquity i = BYOQ being a linear function of time . The line QD intersects the equator at which is the true equinox . When D revolves on the small ...
... equinox ) on which a point D revolves with uniform angular velocity , the argument of obliquity i = BYOQ being a linear function of time . The line QD intersects the equator at which is the true equinox . When D revolves on the small ...
Tartalomjegyzék
Science Before the Greeks | 1 |
The New Concept of Nature | 11 |
Plato and Greek Mathematics | 23 |
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