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    31. May Earth be Revolving around the Sun?--lesson plan #16
    ... to an observation by the Greek astronomer Aristarchus, which convinced him that the ... A century and a half later, an astronomer discovered that Mars indeed had two such ... Aristarchus was an early Greek Astronomer, living between 310-230 BC. ...
    [ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/ILarist.htm -- 14.2 Кб -- 21.12.2007
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    32. Neptune's Moon Triton
    ... It was discovered by William Lassell , a British astronomer, in 1846 scarcely a month after Neptune was discovered. ...
    [ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/solar/eng/triton.htm -- 14.8 Кб -- 15.10.1997
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    33. Parallax
    ... For many years astronomers struggled in vain to observe the difference. ... In measuring star distances, astronomers frequently use the parsec , the distance to ... Astronomers designate stars in each constellation by letters of the Greek alphabet ...
    [ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Sparalax.htm -- 13.1 Кб -- 21.12.2007
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    34. Librations of the Moon
    ... But before the space age, when astronomers were denied any view of the back of the ... And when the rotation lagged a bit behind, astronomers could see a bit more of the ...
    [ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Smoon4.htm -- 16.5 Кб -- 04.06.2006
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    35. Precession
    ... The priests of ancient Babylonia and Egypt were also pioneer astronomers. ... But it was a Greek astronomer, Hipparchus of Nicea , who made the first major new ... Ancient astronomers had no good clocks and could not tell when the day and night had ...
    [ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Sprecess.htm -- 21.6 Кб -- 21.12.2007
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    36. Finding the Pole Star
    ... Astronomers name it "Ursa Major," Latin for "the big bear," and some other languages also refer to it as the Big Bear. ... in the handle of the "dipper", named Mizar by Arab astronomers, is a double star, whose components are readily separated by ...
    [ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Spolaris.htm -- 11.9 Кб -- 21.12.2007
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    37. The Path of the Sun, the Ecliptic
    ... figure out where the sun is on the zodiac (as ancient astronomers have done) by noting which is the last constellation of the ...
    [ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/REFMAN/STARGAZE/Secliptc.htm -- 7.8 Кб -- 21.12.2007
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    38. The Sun -- History
    ... of sunspot research began with Heinrich Schwabe, a pharmacist in the German town of Dessau who was also an amateur astronomer ...
    [ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/REFMAN/EAMAGSPH/whsun.html -- 8.0 Кб -- 15.03.1999
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    39. Asteroid Introduction
    ... Astronomers have studied a number of asteroids through Earth-based observations. ... Astronomers studied Toutatis, Geographos and Castalia using Earth-based radar observations during close approaches to the Earth ...
    [ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/solar/eng/asteroid.htm -- 8.7 Кб -- 15.10.1997
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    40. The Sun's Corona
    ... Astronomers have named them "helmet streamers" because of their resemblance to spiked helmets worn by knights (and also to ... of the corona is its high temperature, deduced by the Swedish astronomer Bengt Edlen in 1942 after a study of the corona's ...
    [ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/REFMAN/EAMAGSPH/wcorona.html -- 6.7 Кб -- 21.12.2007
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