Eight Familiar Lectures on Astronomy, Intended as an Introduction to the Science...W. Phillips, 1817 - 254 pages |
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... inhabitants of Tottenham , requesting me to deliver a Course of Lec- tures on Astronomy . The invitation was not to be re- sisted ; and I undertook the pleasing task without any other expectation of reward , than such as might arise ...
... inhabitants of Tottenham , requesting me to deliver a Course of Lec- tures on Astronomy . The invitation was not to be re- sisted ; and I undertook the pleasing task without any other expectation of reward , than such as might arise ...
Page 13
... inhabitants it appears to be , —fixed in the midst of an immense sphere of glittering orbs rolling around it . Let us then advert to the fact that the whole circle , in- cluding the Sun and the Planets , seems to complete that ...
... inhabitants it appears to be , —fixed in the midst of an immense sphere of glittering orbs rolling around it . Let us then advert to the fact that the whole circle , in- cluding the Sun and the Planets , seems to complete that ...
Page 45
... inhabitants of the oppo- site side of the earth to walk with their feet towards our feet ? When all these facts can be explained by some more plausible theory , than by supposing that the same cause pervades the whole system which we ...
... inhabitants of the oppo- site side of the earth to walk with their feet towards our feet ? When all these facts can be explained by some more plausible theory , than by supposing that the same cause pervades the whole system which we ...
Page 50
... inhabitants of the sun ( if any such there be ) derive their light and heat from the surround- ing luminous clouds through openings in them , let us recollect that from the year 1676 to 1684 no spots were observed on the sun ...
... inhabitants of the sun ( if any such there be ) derive their light and heat from the surround- ing luminous clouds through openings in them , let us recollect that from the year 1676 to 1684 no spots were observed on the sun ...
Page 56
... inhabitants , if any such there be , 7 times greater than to us . When viewed through a good telescope , Mercury ap- pears to us with all the various phases , or increase and decrease of light , with which we view the moon ; except that ...
... inhabitants , if any such there be , 7 times greater than to us . When viewed through a good telescope , Mercury ap- pears to us with all the various phases , or increase and decrease of light , with which we view the moon ; except that ...
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Eight Familiar Lectures on Astronomy, Intended as an Introduction to the Science William Philipps No preview available - 2019 |
Common terms and phrases
24 hours aberration of light angle apparent diameter astronomer atmosphere attraction axis calculated cause celestial bodies Ceres circle clock Comet constellations Crab diagram disk divided Earth Earth moves Earth round Earth's orbit eclipse Epact equal equator equinox fixed stars Georgium Sidus globe greater half happen hence Herschel horizon inclination inhabitants Jupiter less light and heat luminous lunation Mercury meridian miles an hour millions of miles minutes Moon's motion move round nearer nearly Newton node north pole observed opposite orbit oval owing parallax pass path period planetary planets pole star precisely quarter refractive represent revolution revolve round the Earth round the Sun Saturn seconds seen shadow shew shewn side Solar spots starry sphere Sun appears Sun's rays surface telescope termed tides tion transit of Venus tropic of Cancer turned velocity Venus vernal equinox Vesta visible whole Zodiac Zodiacal light
Popular passages
Page 159 - ... a degree of brightness about as strong as that with which such a coal would be seen to glow in faint daylight.
Page 250 - And this our life, exempt from public haunt, Finds tongues in trees, books in running brooks, Sermons in stones, and good in everything.
Page 159 - Hence we may compute that the shining or burning matter must be above three miles in diameter. It is of an irregular round figure, and very sharply defined on the edges. The other two...
Page 158 - April 19, 10h 36", sidereal time. I perceive (says he) three volcanoes in different places of the dark part of the new moon. Two of them are either already nearly extinct, or otherwise in a state of going to break out; which perhaps may be decided next lunation. The third shows an actual eruption of fire or luminous matter.
Page 155 - ... spring from their rugged flanks, and threatening the valleys below, seem to bid defiance to the laws of gravitation. Around the base of these frightful eminences, are strewed numerous loose and unconnected fragments, which time seems to have detached from their parent mass ; and when we examine the rents and ravines which accompany the over-hanging cliffs, we expect every moment that they are to be torn from their base, and that the process of destructive separation which we had only contemplated...
Page 97 - The common names, or meaning of these words, in the same order, are, the Ram, the Bull, the Twins, the Crab, the Lion, the Virgin, the Scales, the Scorpion, the Archer, the Goat, the Waterer, and the Fishes. Fig. 183. The 12 signs of the zodiac, together with the sun, and the earth revolving around him, are represented at fig.
Page 39 - The same astronomer also ascertained, that the squares of the times of revolution of the different planets are in proportion to the cubes of their mean distances from the sun.
Page 130 - The space between the Tropic of Cancer and the Arctic Circle is called the North Temperate Zone, and that between the Tropic of Capricorn and the Antarctic Circle is the South Temperate Zone.
Page 234 - Those which appear largest, are called stars of the first magnitude ; the next to them in lustre, stars of the second magnitude ; and so on to the sixth, which are the smallest that are visible to the bare eye.
Page 159 - The other two volcanoes are much farther towards the centre of the moon, and resemble large, pretty faint nebulae, that are gradually much brighter in the middle ; but no well defined luminous spot can be discerned in them. These three spots are plainly to be distinguished from the rest of the marks upon the moon ; for the reflection of the sun's rays from the earth is, in its present situation, sufficiently bright, with a...