Scientific Dialogues,: Of mechanicsBaldwin and Cradock; and R. Hunter, 1828 - Astronomy |
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Page 2
... there were millions . Tutor . This number is certainly the limit of what you can at present behold ; and that which leads you , and persons in general , to conjecture that the number is so much larger is owing to 2 ASTRONOMY .
... there were millions . Tutor . This number is certainly the limit of what you can at present behold ; and that which leads you , and persons in general , to conjecture that the number is so much larger is owing to 2 ASTRONOMY .
Page 4
... evidence that may be offered upon any topic , notwith- standing the opinions we may have already formed . You say , you see millions of stars , whereas the ablest astronomers assert , that with the naked eye you cannot ASTRONOMY .
... evidence that may be offered upon any topic , notwith- standing the opinions we may have already formed . You say , you see millions of stars , whereas the ablest astronomers assert , that with the naked eye you cannot ASTRONOMY .
Page 9
... are with respect to the rays of light coming from the fixed stars , a thousand real luminaries may have the power of exciting in my mind the idea of millions . Tutor . I will mention another ex- periment , for OF THE FIXED STARS .
... are with respect to the rays of light coming from the fixed stars , a thousand real luminaries may have the power of exciting in my mind the idea of millions . Tutor . I will mention another ex- periment , for OF THE FIXED STARS .
Page 48
... then ? Tutor . The sun is more than a million of times larger than the earth which we inhabit , and many of the fixed stars are probably much larger than he is . Charles . What is the reason , then , that 48 ASTRONOMY .
... then ? Tutor . The sun is more than a million of times larger than the earth which we inhabit , and many of the fixed stars are probably much larger than he is . Charles . What is the reason , then , that 48 ASTRONOMY .
Page 49
... millions of miles distant from the earth , and the near- est fixed star is probably more than two hundred thousand times farther from us than even the sun himself . * Charles . But we can form no conception of such distances . Tutor ...
... millions of miles distant from the earth , and the near- est fixed star is probably more than two hundred thousand times farther from us than even the sun himself . * Charles . But we can form no conception of such distances . Tutor ...
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Common terms and phrases
24 hours 95 millions annual motion appear Aries astronomers axis called centre Charles clock comet consequently CONVERSATION dark days and nights degrees dial diameter discovered distance diurnal motion earth's orbit ecliptic enlightened Ephemeris equal equator figure fixed stars full moon globe greater half heavens heliocentric hemisphere hence Herschel horizon inhabitants James journey round Julius Cæsar Jupiter larger latitude Leap-Year less Libra light and heat longitude magnitude Mars means Mercury meridian millions of miles minutes moon's nearer nearest noon observe parallel pass polar circles position rays retrograde motion revolves rise and set rotation round the earth round the sun satellites Saturn seasons seen shadow shine sidereal day situated Solar System spectator summer sun and earth sun's superior planets supposed surface synodical month tance thousand tides tion top-mast tropic tropic of Cancer turn Tutor tween Venus vertical visible winter
Popular passages
Page 133 - 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 166 - Less than archangel ruined, and the excess Of glory obscured ; as when the sun, new risen, Looks through the horizontal misty air Shorn of his beams, or from behind the moon, In dim eclipse, disastrous twilight sheds On half the nations, and with fear of change Perplexes monarchs.
Page 231 - Amid the radiant orbs, That more than deck — that animate — the sky, The life-infusing suns of other worlds ; Lo ! from the dread immensity of space Returning, with accelerated course, The rushing comet to the Sun descends ; And as he sinks below the shading earth, With awful train projected o'er the heavens, 1710 The guilty nations tremble.
Page 89 - In endless speculation, and adore ? One sun by day, by night ten thousand shine ; And light us deep into the Deity ; How boundless in magnificence and might!
Page 197 - Fairest of stars, last in the train of night, If better thou belong not to the dawn, Sure pledge of day, that crown'st the smiling morn With thy bright circlet, praise him in thy sphere, While day arises, that sweet hour of prime.
Page 196 - Annual for me, the grape, the rose renew The juice nectareous, and the balmy dew; For me, the mine a thousand treasures brings; For me, health gushes from a thousand springs; Seas roll to waft me, suns to light me rise; My foot-stool earth, my canopy the skies.
Page 6 - To ask or search I blame thee not, for heaven Is as the book of God before thee set, Wherein to read his wondrous works, and learn His seasons, hours, or days, or months, or years.
Page 148 - But opposite in levell'd west was set His mirror, with full face borrowing her light From him, for other light she needed none In that aspect, and still that distance keeps Till night...
Page 53 - Prime cheerer, light! Of all material beings first, and best ! Efflux divine ! Nature's resplendent robe ! Without whose vesting beauty all were wrapt In unessential gloom ; and thou, O sun ! Soul of surrounding worlds, in whom best seen Shines out thy Maker...
Page 196 - But do these worlds display their beams, or guide Their orbs, to serve thy use, to please thy pride ? Thyself but dust; thy stature but a span, A moment thy duration; foolish man! As well may the minutest emmet say, That Caucasus was...