Elements of Astronomy: Descriptive and Physical ... |
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Page 12
... means of a telescope , on different parts of the Sun's sur- face . These consist of a nucleus , which is much What are satellites ? What are comets ? What are the names of the planets and the asteroids ? How are planets and satellites ...
... means of a telescope , on different parts of the Sun's sur- face . These consist of a nucleus , which is much What are satellites ? What are comets ? What are the names of the planets and the asteroids ? How are planets and satellites ...
Page 13
... attraction ? For what are we indebted to the Sun's influence ? motions has it ? How many What evidence that it has the first ? What the second ? What the third ? The apparent mean diameter of the Sun , as seen 2 THE SUN . 13.
... attraction ? For what are we indebted to the Sun's influence ? motions has it ? How many What evidence that it has the first ? What the second ? What the third ? The apparent mean diameter of the Sun , as seen 2 THE SUN . 13.
Page 14
... mean distance from the Sun , is 37 millions of miles . It turns on its axis in 24 hours , and revolves round the Sun in 88 days ; at the rate of more than 100 thousand miles the hour , or 30 miles the second . Though small , this planet ...
... mean distance from the Sun , is 37 millions of miles . It turns on its axis in 24 hours , and revolves round the Sun in 88 days ; at the rate of more than 100 thousand miles the hour , or 30 miles the second . Though small , this planet ...
Page 16
... mean distance from the Sun , When is Venus morning star ? When evening star ? Why each , more than half its orbit ? What variations in its appa- rent diameter ? What in its distance ? When does it give most light ? How often are there ...
... mean distance from the Sun , When is Venus morning star ? When evening star ? Why each , more than half its orbit ? What variations in its appa- rent diameter ? What in its distance ? When does it give most light ? How often are there ...
Page 17
... mean apparent diameter 312 minutes ; -its distance from the Sun ? -the time of its rotation ? -of its revolution ? -and its hourly rate ? What distance from the Equator is the Sun ever vertical ? For what will this account ? By what 7 ...
... mean apparent diameter 312 minutes ; -its distance from the Sun ? -the time of its rotation ? -of its revolution ? -and its hourly rate ? What distance from the Equator is the Sun ever vertical ? For what will this account ? By what 7 ...
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Common terms and phrases
24 hours 95 millions ABERRATION OF LIGHT altitude angle annular annular eclipse aphelion apparent diameter Aries Astronomy atmosphere attraction axis brass meridian called celestial centre century circle comets constellations degrees density disc Dominical letter double stars east elevated equal Equator estimated fixed stars given place heavenly bodies heavens Herschel horizon illustrate Jupiter Latitude Longitude luminary luminous lunar eclipses magnitude material worlds mean distance Mercury miles the hour millions of miles minutes Moon Moon's motion nearest nodes observation opposite orbit organs of vision parallax perihelion period planets polar pole primary refraction revolution revolves round right ascension rings rising rotation round the Earth round the Sun satellites Saturn set the index solar eclipse solstice southern hemisphere Sun's place supposed surface telescope thousand miles tides tion torrid zone transit of Venus true place turn the globe twilight velocity vernal equinox visible Zodiac
Popular passages
Page 121 - The works of the LORD are great, sought out of all them that have pleasure therein.
Page 136 - Behold I have given you every herb bearing seed, which is upon the face of all the earth, and every tree in the which is the fruit of a tree yielding seed, to you it shall be for meat.
Page 103 - Hitherto shalt thou come and no farther, and here shall thy proud waves be stayed.
Page 2 - BBOWN, of the said district, hath deposited in this office the title of a book, the right whereof he claims as author, in the words following, to wit : " Sertorius : or, the Roman Patriot.
Page 61 - evidence of things not seen," in the fulness of Divine grace ; and was profound on this, the greatest concern of human life, while unable even to comprehend how the " inclination of the earth's axis to the plane of its orbit" could be the cause of the change of the seasons.
Page 115 - Rectify the globe to the latitude of the place; bring the sun's place in the ecliptic to the meridian, and set the index to XII.
Page 104 - These are thy glorious Works, Parent of good, Almighty! thine this universal frame, Thus wondrous fair: thyself how wondrous then, Unspeakable! who sitt'st above these heavens To us invisible, or dimly seen In these thy lowest works; yet these declare Thy goodness beyond thought, and power divine.
Page 138 - Who by searching can find out God ; who can find out the Almighty to perfection...
Page 80 - The squares of the periods of revolution of any two planets are proportional to the cubes of their mean distances from the sun.
Page 65 - ... angles. In northern Latitudes, the smallest angle made by the Ecliptic and horizon, is when Aries rises, at which time Libra sets ; the greatest, when Libra rises, at which time Aries sets.