Fourteen Weeks in Descriptive Astronomy |
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Page 20
Venus, for instance, was sometimes seen as " evening star" in the west, and then
again as " morning star" in the east. Sometimes she seemed to be moving in the
same direction as the sun, then going apparently behind the sun, appeared to ...
Venus, for instance, was sometimes seen as " evening star" in the west, and then
again as " morning star" in the east. Sometimes she seemed to be moving in the
same direction as the sun, then going apparently behind the sun, appeared to ...
Page 31
Besides, the week is divided into seven days, which are named from the seven
planets. Now, if we increase the number of planets, this whole system falls to the
ground." Newton. — As we have seen, the truth of the Copernican system was ...
Besides, the week is divided into seven days, which are named from the seven
planets. Now, if we increase the number of planets, this whole system falls to the
ground." Newton. — As we have seen, the truth of the Copernican system was ...
Page 36
Indeed, when looking at the sky from the bottom of a deep well or lofty chimney, if
a bright star happens to be directly overhead, it can be seen with the naked eye
even at midday. In this way it is said a celebrated optician was first led to think of
...
Indeed, when looking at the sky from the bottom of a deep well or lofty chimney, if
a bright star happens to be directly overhead, it can be seen with the naked eye
even at midday. In this way it is said a celebrated optician was first led to think of
...
Page 50
The natural purity of the sun seems to have been formerly an article of faith
among astronomers, and therefore on no account to be called in question.
Scheiner, it is said, having reported to his superior that he " had seen spots on
the sun's face ...
The natural purity of the sun seems to have been formerly an article of faith
among astronomers, and therefore on no account to be called in question.
Scheiner, it is said, having reported to his superior that he " had seen spots on
the sun's face ...
Page 52
During a period of ten years, observations were made on 1982 days, on 372 of
which there were no spots seen. As many as two hundred spots have been
noticed at one time. They are found in two belts, one on each side of the equator,
within ...
During a period of ten years, observations were made on 1982 days, on 372 of
which there were no spots seen. As many as two hundred spots have been
noticed at one time. They are found in two belts, one on each side of the equator,
within ...
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Common terms and phrases
ancients angle aphelion appear Aries astronomers atmosphere axis bright brilliant Canis Minor Capricornus Cassiopeia cause celestial Celestial Sphere centre Cepheus circle color comet conjunction constellation Cor Caroli dark density Describe diameter disk earth east ecliptic equal equator equinoctial figure fixed stars globe heat heavenly bodies heavens Herschel horizon inclined inferior inferior conjunction inferior planet Jupiter latitude length light luminous lunar Lyra magnitude Mars mean distance Mercury meridian meteors miles moon's motion move naked eye nearly nebula Neptune node north pole orbit Orion parallax pass path penumbra perihelion Perseus Pisces planet polar Polaris rays revolve ring rising Saturn seasons seen shine side sidereal sidereal day solar day solar system solstice space sphere spots summer sun's surface synodic revolution tance Taurus telescope theory tion umbra Uranus Ursa Major Ursa Minor varies velocity Venus vernal equinox visible winter zenith Zodiac
Bibliographic information
| Title | Fourteen Weeks in Descriptive Astronomy Fourteen weeks courses in natural science |
| Author | Joel Dorman Steele |
| Publisher | A.S. Barnes & Company, 1873 |
| Original from | the University of California |
| Digitized | 14 Oct 2010 |
| Length | 336 pages |
| Export Citation | BiBTeX EndNote RefMan |