The Geography of the Heavens: And Class-book of Astronomy : Accompanied by a Celestial Atlas |
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Page 11
The Ecliptic , like every other circle , contains 360 ° , and it is divided into 12 equal arcs of 30 ° each , called signs , which the ancients distinguished by particular names . This division commences at the vernal equinox , and is ...
The Ecliptic , like every other circle , contains 360 ° , and it is divided into 12 equal arcs of 30 ° each , called signs , which the ancients distinguished by particular names . This division commences at the vernal equinox , and is ...
Page 12
The distance of these two points from the equinoctial , is always equal to the obliquity of the ecliptic , which , in round numbers , is 23c ° ; but , as we have seen , the obliquity of the ecliptic is continually changing ; therefore ...
The distance of these two points from the equinoctial , is always equal to the obliquity of the ecliptic , which , in round numbers , is 23c ° ; but , as we have seen , the obliquity of the ecliptic is continually changing ; therefore ...
Page 29
The manner in which the ancients divided the Zodiac into 12 equal parts , was both simple and ingenious . Having no instrument that would measure time exactly , " they took a vessel , with a small hole in the bottom , and having filled ...
The manner in which the ancients divided the Zodiac into 12 equal parts , was both simple and ingenious . Having no instrument that would measure time exactly , " they took a vessel , with a small hole in the bottom , and having filled ...
Page 34
... make up the S. E. or shorter side of an irregular square , with El Rischa in the node of the ribbon , and another star in the Whale as far to the right of Baten , as El Rischa is above Mira . Again , There are three stars of equal ...
... make up the S. E. or shorter side of an irregular square , with El Rischa in the node of the ribbon , and another star in the Whale as far to the right of Baten , as El Rischa is above Mira . Again , There are three stars of equal ...
Page 43
They derive the latter name from the circumstance that the line which unites the " three stars " in the belt measures just 3 ° in length , and is divided by the central star into two equal parts , like a yard - stick ; thus serving as a ...
They derive the latter name from the circumstance that the line which unites the " three stars " in the belt measures just 3 ° in length , and is divided by the central star into two equal parts , like a yard - stick ; thus serving as a ...
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Common terms and phrases
3d magnitude according angle appear astronomers axis blue body called cause circle cluster comet companion consequently constellation continue declination Describe diameter direction distance distinguished DOUBLE STAR Earth east ecliptic equal equator equinoctial equinox feet field figure fixed four given half hand head heavens hemisphere Herschel horizon Jupiter known latitude length less light magnitude marked mean Mercury meridian miles minutes months Moon Moon's motion move nearly NEBULA night northern object observed opposite orbit pale pass period planet pole position present principal refraction remarkable represented respecting revolve right ascension rising says seasons seen shadow side situated solar sometimes southern space Sun's supposed surface TELESCOPIC tides tion triangle turned Venus visible whole yellow Zodiac
Popular passages
Page 114 - Look, how the floor of heaven Is thick inlaid with patines* of bright gold: There's not the smallest orb, which thou behold'st, But in his motion like an angel sings, Still quiring to the young-eyed cherubim: Such harmony is in immortal souls; . But, whilst this muddy vesture of decay Doth grossly close it in, we cannot hear it.
Page 157 - ... and the stars of heaven fell unto the earth, even as a fig tree casteth her untimely figs, when she is shaken of a mighty wind.
Page 152 - And God made two great lights; the greater light to rule the day, and the lesser light to rule the night: he made the stars also. And God set them in the firmament of the heaven to give light upon the earth, and to rule over the day, and over the night, and to divide the light from the darkness: and God saw that it was good. And the evening and the morning were the fourth day.
Page 147 - Canst thou bind the sweet influences of Pleiades, or loose the bands of Orion? Canst thou bring forth Mazzaroth in his season? or canst thou guide Arcturus with his sons?
Page 143 - To God's eternal house direct the way, A broad and ample road, whose dust is gold, And pavement stars, as stars to thee appear Seen in the galaxy, that milky way Which nightly as a circling zone thou seest Powder'd with stars.
Page 49 - The breathless Phaeton, with flaming hair, Shot from the chariot, like a falling star, That in a summer's evening from the top Of heaven drops down, or seems at least to drop ; Till on the Po his blasted corpse was hurl'd, Far from his country, in the western world.
Page 47 - Also he sent forth a dove from him, to see if the waters were abated from off the face of the ground; but the dove found no rest for the sole of her foot, and she returned unto him into the ark...
Page 155 - And oft, before tempestuous winds arise, The seeming stars fall headlong from the skies, And, shooting through the darkness, gild the night With sweeping glories, and long trails of light...
Page 94 - Lo, these are parts of his ways: but how little a portion is heard of him? but the thunder of his power who can understand?
Page 79 - The raven once in snowy plumes was drest, White as the whitest dove's unsully'd breast, Fair as the guardian of the Capitol, Soft as the swan ; a large and lovely fowl ; His tongue, his prating tongue had chang'd him quite To sooty blackness from the purest white.