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angle appear astronomers atmosphere attraction axis body bright called cause celestial centre changes circle color comets consequence constellations dark density Describe determined diameter direction disk distance divided Earth east eclipse effect equal equator equatorial Explain fact fall feet follows Give given globe greater greatest half heat heavens Hence horizon inclined Jupiter known latitude length less light longitude look Mars mass mean measured Mercury meridian miles Moon Moon's motion move names nearest nearly nebulŠ night node northern object observed orbit pass period planet pole portion position powerful present rays Reader reason regard represented respect revolve ring rise rocks rotation round round the Sun satellites Saturn seen shadow shown side solar sometimes southern sphere stars Sun's supposed surface telescope tion turn varies Venus visible weight
Page 20 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Page 31 - Aries (the Ram), Taurus (the Bull) Gemini (the Twins), Cancer (the Crab), Leo (the Lion), Virgo (the Virgin), Libra (the Scales), Scorpio (the Scorpion), Sagittarius (the Archer), Capricornus (the Goat), Aquarius (the Water-bearer), and Pisces (the Fishes).
Page 153 - A man placed on one of them would spring with ease 60 feet high, and sustain no greater shock in his descent than he does on the earth from leaping a yard.
Page 31 - A'ries, the Ram. Taurus, the Bull Gem'ini, the Twins. Cancer, the Crab. Leo, the Lion.
Page 132 - Almost directly preceding, or at 270░, appeared a bluntly triangular pink body, suspended, as it were, in the corona. This was separated from the moon's edge when first seen, and the separation increased as the moon advanced. It had the appearance of a large conical protuberance, whose base was hidden by some intervening soft and ill-defined substance, like the upper part of a conical mountain, the lower portion of which was obscured by clouds or thick mist. I think the apex of this object must...
Page 87 - The LATITUDE of a place is its distance from the equator. If a place is north of the equator, it is said to be in NORTH LATITUDE, and if south, in SOUTH LATITUDE. It is evident, that the entire northern hemisphere is in north latitude, and the entire southern hemisphere in south latitude.