History of Astronomy |
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Page 36
Thus he eliminated (so far as naked eye observations required) the effect of
atmospheric refraction which makes the altitude of a star seem greater than it
really is. Tycho Brahe was able to correct the lunar theory by his observations.
Thus he eliminated (so far as naked eye observations required) the effect of
atmospheric refraction which makes the altitude of a star seem greater than it
really is. Tycho Brahe was able to correct the lunar theory by his observations.
Page 81
To render the lunar observations more continuous, Airy employed Troughton's
successor, James Simms, in conjunction with the engineers, Ransome and May,
to construct an ^ltazimutl^ with three-foot circles, and a five-foot telescope, in
1847.
To render the lunar observations more continuous, Airy employed Troughton's
successor, James Simms, in conjunction with the engineers, Ransome and May,
to construct an ^ltazimutl^ with three-foot circles, and a five-foot telescope, in
1847.
Page 107
Galileo said that the mountains on the moon showed ( greater differences of level
than those on the earth. Shr6terlsupported_this_ODinion. W. Herschel opposed it
. Bul^Bjer^nd M&dle7 measured the heights of lunar mountains by their ...
Galileo said that the mountains on the moon showed ( greater differences of level
than those on the earth. Shr6terlsupported_this_ODinion. W. Herschel opposed it
. Bul^Bjer^nd M&dle7 measured the heights of lunar mountains by their ...
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Contents
Ancient AstronomyChinese and Chaldeans | 7 |
Ancient Greek Astronomy | 13 |
The Reign of Epicycles From Ptolemy | 23 |
3 other sections not shown
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Common terms and phrases
accurate observations Airy ancient astro Astronomer Royal astronomical units attraction axis bright calculations Cape Cassini catalogue centre century Chinese comet compute Copernicus diameter discovered discovery earth eclipse Egyptian epicycles equatoreal error excentric explain fact fixed stars Galileo Greenwich Halley Halley's comet heavenly bodies heavens heliometer Hipparchus Huggins hydrogen hypothesis instruments Johann Kepler John Herschel Jupiter Jupiter's Kepler Lick Observatory light line of sight lunar Mars mathematical mean distance mean motion measured Mercury meteor miles a second moon moon's nebula Newton nodes noticed Observatory orbit parallax perihelion period photographic physical planet planetary pole position predicted proper motion proved Ptolemy R. S. Phil recognised records refractor retrograde retrograde motion revolve round ring rotation satellites seems seen showed Sirius solar system spectra spectroscope spectrum sphere spots stellar sun-spots supposed tables telescope theory tion Trans Tycho Brahe Uranus velocity Venus Verrier zenith
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 |