History of Astronomy |
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Page 90
The number of colours forming images is so numerous as to form a continuous
spectrum on the wall with all the colours — red , orange , yellow , green , blue ,
indigo , and violet . But Frauenhofer found with a narrow slit , well focussed by the
...
The number of colours forming images is so numerous as to form a continuous
spectrum on the wall with all the colours — red , orange , yellow , green , blue ,
indigo , and violet . But Frauenhofer found with a narrow slit , well focussed by the
...
Page 142
In 1864 all doubt was dispelled by Huggins 2 in his first examination of the
spectrum of a nebula , and the subsequent extension of this observation to other
nebulæ ; thus providing a certain test which increase in the size of telescopes
could ...
In 1864 all doubt was dispelled by Huggins 2 in his first examination of the
spectrum of a nebula , and the subsequent extension of this observation to other
nebulæ ; thus providing a certain test which increase in the size of telescopes
could ...
Page 145
us how to interpret all the varieties of spectrum , it will be possible to ascribe the
different spectrum - classes to different stages in the life - history of every star .
Already there are plenty of people ready to lay down arbitrary assumptions about
...
us how to interpret all the varieties of spectrum , it will be possible to ascribe the
different spectrum - classes to different stages in the life - history of every star .
Already there are plenty of people ready to lay down arbitrary assumptions about
...
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Contents
ANCIENT GREEK ASTRONOMY | 3 |
GALILEO AND THE TELESCOPENOTIONS OF GRAVITY | 46 |
NEWTONS SUCCESSORS HALLEY EULER | 60 |
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Common terms and phrases
accepted accurate ancient appear astronomers attraction bodies bright calculations called catalogue cause centre century Chinese circle comet compared complete Copernicus determined diameter direction discovered discovery distance earth eclipse effect elements enabled epicycles equal error explain fact fixed follow force four Galileo gave give given gravitation heavens held Herschel increased interesting Jupiter Kepler knowledge known later light lunar Mars mass mathematical mean measured method miles moon moon's motion move nebulæ Newton noted noticed object observations Observatory opposition orbit original parallax pass period photographic physical planet planetary pole position predicted progress proper motion proved records researches revolve ring rotation round Royal satellites seems seen showed solar system spectroscope spectrum stars studied sun's supposed surface tables telescope theory tion trace true Tycho Brahe UNIVERSITY
Bibliographic information
| Title | History of Astronomy The history of science series |
| Author | George Forbes |
| Publisher | Watts, 1921 |
| Original from | Indiana University |
| Digitized | 5 Aug 2010 |
| Length | 150 pages |
| Export Citation | BiBTeX EndNote RefMan |