ما يقوله الناس - كتابة مراجعة
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altitude angle appear Arcturus ascending node astronomers atmosphere attraction axis azimuth beams brass meridian brazen meridian Cape CELESTIAL GLOBE centre circle coincide consequently constellations culminating declination diameter difference direction disk distance Dominical letter earth earth's surface east eastward eclipse edge elevated Epact equal equator equinoctial exactly feet Fomalhaut force Greenwich heat heavenly body heavens heliacal hemisphere Hence Herschel high water horizon inclination inhabitants instant John Herschel Jupiter Jupiter's latitude light London longitude lunar lunar eclipse magnet mass miles minutes moon moon's motion nearly noon North Pole number of degrees oblique observations orbit parallax pass path period plane Polar portion position PROBLEM pupil quadrant rays revolving right ascension rising rotation satellites Saturn seen setting shadow shew sidereal day situated solar South Pole sphere sun's place supposed telescope TERRESTRIAL GLOBE tides tion Uranus velocity Venus vertical whilst wind zenith zone
الصفحة 246 - For thus saith the Lord that created the heavens; God himself that formed the earth and made it; he hath established it, he created it not in vain, he formed it to be inhabited: I am the Lord; and there is none else.
الصفحة 8 - The one has suggested to me that, beyond and above all that is visible to man, there may lie fields of creation which sweep immeasurably along, and carry the impress of the Almighty's hand to the remotest scenes of the universe : the other suggests to me...
الصفحة 1 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another.
الصفحة 405 - This disregard is neither supercilious nor causeless. The constellations seem to have been almost purposely named and delineated to cause as much confusion and inconvenience as possible. Innumerable snakes twine through long and contorted areas of the heavens, where no memory call follow them ; bears, lions, and fishes, large and small, northern and southern, confuse all nomenclature, &c.
الصفحة 399 - Venus a pea, on a circle of 284 feet in diameter ; the Earth also a pea, on a circle of 430 feet ; Mars a rather large pin's head, on a circle of 654 feet ; the Asteroids, grains of sand, in orbits of from 1000 to 1200 feet; Jupiter a moderate-sized orange, in a circle nearly half a mile across...
الصفحة 229 - As he sat alone in a garden, he fell into a speculation on the power of gravity ; that as this power is not found sensibly diminished at the remotest distance from the centre of the earth, to which we can rise, neither at the tops of the loftiest buildings, nor even on the summits of the highest mountains ; it appeared to him reasonable to conclude, that this power must extend much...
الصفحة 163 - God," as was said by the ancients, "works by geometry:" the legislation of the material universe is necessarily delivered in the language of mathematics ; the stars in their courses are regulated by the properties of conic sections, and the winds depend on arithmetical and geometrical progressions of elasticity and pressure.
الصفحة 286 - ... the earth. The fall of meteoric stones is much more frequent than is generally believed. Hardly a year passes without some instances occurring ; and if it be considered that only a small part of the earth is inhabited, it may be presumed that numbers fall...
الصفحة 8 - I tread upon, the other redeems it from all its insignificance, for it tells me that in the leaves of every forest, and in the flowers of every garden, and in the waters of every rivulet, there are worlds teeming with life, and numberless as the glories of the firmament.
الصفحة 216 - that every particle of matter in the universe attracts every other particle, with a force whose direction is that of the line joining the two, and whose magnitude is directly as the product of their masses, and inversely as the square of their distances from each other.