Astronomy made easy1847 |
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Common terms and phrases
appear ARMILLARY SPHERE asteroids astronomy atmosphere attraction called Cancer caused centre CHAPTER circle cloud comets compass constellations Copernicus destructive diameter discovered diurnal motion diurnal revolution divided EARTHQUAKES east engraving equal equator EXPLANATORY REMARKS figure FIXED STARS full Moon Georgium Sidus globe gravity hail hailstones happen heavenly bodies heavens hemisphere HERSCHEL horizon hundred immense Jupiter kind lightning luminary lunar eclipses magnitude Mars mean distance Mercury METEORS consist millions of miles minor planets move round nature noise observed opaque orbit passing period phenomena PINNOCK'S points poles primary planets PTOLEMAIC SYSTEM PTOLEMY QUESTIONS FOR EXAMINATION round its axis round the Earth round the Sun satellites Saturn seen sensible ship side signifies Sir Isaac Newton SOLAR SYSTEM solstice space sphere spherical surface telescope thousand miles thunder tides trade wind Tropic TYCHO BRAHE TYCHONIC SYSTEM vapours velocity Venus visible volcanoes whirlpool zodiac
Popular passages
Page 85 - Our traveller, being obliged to alight instantly, felt himself raised a foot from the ground ; and turning his eyes to the city, he, with amazement, saw nothing but a thick cloud of dust in the air.
Page 73 - ... their heads. After a continual flux of six hours, the sea seems to rest for a quarter of an hour ; and then begins to ebb, or retire back again, from north to south, for six hours more ; in which time the waters sinking, the rivers resume their natural course.
Page 16 - Aries, the Ram; Taurus, the Bull; Gemini, the Twins; Cancer, the Crab; Leo, the Lion; Virgo, the Virgin; Libra, the Balance; Scorpio, the Scorpion; Sagittarius, the Archer; Capricornus, the Goat; Aquarius, the Water-bearer; and Pisces, the Fishes.
Page 77 - ... goes round in circles still narrower and narrower, till at last it is dashed against the rocks, and instantly disappears ; nor is it seen again for six hours : till the tide flowing, it is vomited forth with the same violence with which it was drawn in. The noise of this dreadful vortex still farther contributes to increase its terror, which, with the dashing of the waters, and the dreadful valley, if it may be so called, caused by their circulation, makes one of the most tremendous objects in...
Page 41 - When this planet appears to the west of the sun, she rises before him in the morning, and is called the Morning Star; and when she appears to the east of the sun, she shines in the evening after he sets, and is then called...
Page 89 - I, every body perseveres in its state of rest or uniform motion in a straight line...
Page 106 - The small boats and fellouques that fell in its way were all broken to pieces, and sunk. The noise increased and became more frightful. A sentinel, terrified at its approach, ran into his box : both he and it were lifted up, and carried into the sea, where he perished.
Page 52 - In any year, the number of eclipses of both luminaries cannot be less than two nor more than seven : the most usual number is four, and it is very rare to have more than six.
Page 106 - It then traversed a considerable part of the city, and laid in ruins almost every thing that lay in its way. Several houses were laid level with the ground, and it did not leave one steeple in its passage. The bells of some of them, together with the spires, were carried to a considerable distance. The roofs of the churches were demolished...
Page 50 - Lunar eclipses are visible in all parts of the earth which have the moon above their horizon, and are every where of the same magnitude and duration ; but...