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    101. Precession
    ... pole star to which the axis points now (within about one degree) used to be distant ... pole star" used by ancient Greek sailors was a different one, not nearly as close to ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Sprecess.htm -- 21.6 Кб -- 22.12.2007
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    102. Chronology of Magnetospheric Exploration
    ... The electrons hit near the magnetic poles, leading him to propose that the polar aurora is created by electron beams from the ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/Education/whchron.html -- 9.6 Кб -- 29.12.2005
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    103. Librations of the Moon
    ... shifts the earth-pointing tip of that axis to the north, south, east or west ... the polar caps, onto circular areas around the poles, giving them 24-hour sunlight ... The first one lets astronomers peek over the poles, while this one adds to the ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Smoon4.htm -- 16.5 Кб -- 22.12.2007
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    104. Exploring Earthspace
    ... Field lines of the northern "tail lobe" connect to the vicinity of the northern magnetic pole, and are directed towards the earth, while those in the southern lobe are connected near the southern pole and are directed away . ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/Education/Iexplore.html -- 12.8 Кб -- 18.04.2005
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    105. Teaching about Magnetism Teaching about Magnetism
    ... filings and with the way the compass needle lines up with the north-south direction ... direction--and for a magnetized iron bar, that direction was always north-south ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/Education/MagTeach.htm -- 18.6 Кб -- 20.04.2005
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    106. http://www.cosmos.ru/press/vex.doc
    ... Nature, 450 (2007). South-polar features on Venus similar to those near the north pole, by G.Piccioni et al., Nature, 450 (2007). ...
    [ Текст ]  Ссылки http://www.cosmos.ru/press/vex.doc -- 383.0 Кб -- 29.11.2007
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    107. Problems
    ... 1] You are in a lifeboat boat close to the equator, somewhere south of Hawaii. ... The pole star is too close to the horizonto be seen, but Orion is in the sky, rather close to the horizon, too, and you know ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Sproblem.htm -- 24.4 Кб -- 22.12.2007
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    108. Teaching about Magnetism Teaching about Magnetism
    ... filings and with the way the compass needle lines up with the north-south direction ... direction--and for a magnetized iron bar, that direction was always north-south ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/earthmag/MagTeach.htm -- 19.6 Кб -- 22.12.2007
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    109. Problems
    ... 1] You are in a lifeboat boat close to the equator, somewhere south of Hawaii. ... The pole star is too close to the horizonto be seen, but Orion is in the sky, rather close to the horizon, too, and you know ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Iproblem.htm -- 24.4 Кб -- 22.12.2007
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    110. "Get a Straight Answer"
    ... It has two "poles" around which the rotation takes place, one in the northern half ... The first is visible only north of the equator, the second only south of it. ... The line halfway between the poles is knows as the equator of the celestial sphere ...
    [ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/IstarFAQ9.htm -- 62.3 Кб -- 22.12.2007
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