History of Astronomy |
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Page 45
then bodies at different latitudes will not be attracted to its centre , but to different
points in the neighbourhood of that centre . 5 . If the earth and moon were not
retained in their orbits by vital force ( aut alia aliqua aequipollenti ) , the earth and
...
then bodies at different latitudes will not be attracted to its centre , but to different
points in the neighbourhood of that centre . 5 . If the earth and moon were not
retained in their orbits by vital force ( aut alia aliqua aequipollenti ) , the earth and
...
Page 54
Newton applied this value , and found , to his great joy , that when the distance of
the moon is 60 times the radius of the earth she is attracted out of the straight
course 16 . 1 feet per minute , and that the force acting on a stone or an apple ...
Newton applied this value , and found , to his great joy , that when the distance of
the moon is 60 times the radius of the earth she is attracted out of the straight
course 16 . 1 feet per minute , and that the force acting on a stone or an apple ...
Page 55
He invented a mathematical method which he used for computing the ratio of the
polar to the equatorial diameter . He then noticed that the consequent bulging of
matter at the equator would be attracted by the moon unequally , the nearest ...
He invented a mathematical method which he used for computing the ratio of the
polar to the equatorial diameter . He then noticed that the consequent bulging of
matter at the equator would be attracted by the moon unequally , the nearest ...
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Contents
Ancient GREEK ASTRONOMY | 3 |
INSTRUMENTS OF PRECISIONSIZE OF THE SOLAR | 10 |
GALILEO AND THE TELESCOPENOTIONS OF GRAVITY | 46 |
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Common terms and phrases
accepted accurate ancient appear astronomers attraction bodies born bright calculations called catalogue cause centre century circle comet compared complete Copernicus determined diameter direction discovered discovery distance earth eclipse effect enabled epicycles equal error excentric explain fact fixed follow force Galileo give given gravitation heavenly heavens held Herschel Hipparchus idea included interesting invented Jupiter Kepler knowledge known later light lunar Mars mass mathematical mean measured method miles minutes moon moon's motion move Newton noticed object observations Observatory opposition orbit original parallax pass period photographic physical planetary planets pole position predicted present principle progress proper proved records revolve rotation round Royal satellites says seems seen showed solar system spectroscope spectrum stars studied sun's supported supposed surface tables telescope theory tion trace true Tycho Brahe uniform universal
Bibliographic information
| Title | History of Astronomy Hist. of sci. series History of science series |
| Author | George Forbes |
| Publisher | Watts, 1909 |
| Original from | the University of California |
| Digitized | 13 Jan 2011 |
| Length | 154 pages |
| Export Citation | BiBTeX EndNote RefMan |