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    71. How distant is the Moon?
    ... The local latitude can be shown to be equal to the elevation of the celestial pole above the horizon and today can be readily deduced by observing the height of Polaris, the pole star above the horizon. ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Shipparc.htm -- 17.6 Кб -- 22.12.2007
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    72. The Moon: The Distant View
    ... Until there's but a rim of scraps . That crumble all away. The South Wind is the baker . He kneads clouds in his den, . ... them we look at the moon's orbit from high above the north pole, and imagine a clock dial around the moon, and a feature on it ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Smoon.htm -- 16.9 Кб -- 22.12.2007
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    73. Weather and Climate--Lesson Plan #36B
    ... Space Agency launches eastwards from Kourou, in French Guiana, on the north coast of South America, even closer to the equator ... from the equator, points get closer and closer to the axis, and the rotation speed drops--until at the poles, it is zero ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/ILsun1litB.htm -- 13.2 Кб -- 22.12.2007
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    74. The Sundial --lesson plan #4
    ... of a sundial, the type with a gnomon pointing towards the pole of the heavens ... On average, the Sun rises in the east, crosses south at noon, and sets in the west. ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/ILsundial.htm -- 9.3 Кб -- 22.12.2007
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    75. Navigation
    ... P on Earth and observing the pole star (or better, the position of the north celestial pole, near that star), at an elevation ... It then crosses the north-south direction--in the northern hemisphere, usually south of the observer. ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Snavigat.htm -- 19.9 Кб -- 22.12.2007
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    76. Parallax
    ... trees, widths of buildings, distances between power-line poles, lengths of cars etc ... stars--for Alpha Centauri by Henderson from South Africa, for Vega by Friedrich von ... You need to be south of the equator to see it well. ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Sparalax.htm -- 13.1 Кб -- 22.12.2007
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    77. Close-up of the Aurora
    ... tail lobes, the bundles of stretched field lines north and south of the plasma sheet ... the auroral oval four times in each trip around the Earth (twice near each pole ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/Education/Iaurora.html -- 10.1 Кб -- 18.04.2005
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    78. The Lodestone
    ... studies, was built on top of South Baldy Mountain near Soccorro, New Mexico, the ... magnetism, "by the turning of its extremities towards the poles for so long a time ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/earthmag/lodeston.htm -- 10.5 Кб -- 22.12.2007
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    79. Magnetism before Gilbert "
    ... or an iron magnet was placed on a float in a bowl of water, is always pointed south ... needle was somehow attracted by the pole star, which maintained a fixed position in ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/earthmag/upto1600.htm -- 8.6 Кб -- 22.12.2007
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    80. Navigation--lesson plan #8
    ... horizon of the celestial pole (within 0.5 degree of the pole star), an angle which ... of the observer. The Pole Star, to a good approximation, marks the celestial pole. ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Lnavigat.htm -- 14.2 Кб -- 22.12.2007
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