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    181. APOD: 2013 April 30 - Humanity Explores the Solar System
    ... some are mapping Earth's Moon , a few are chasing asteroids and comets , one is orbiting Saturn , and several are even heading ...
    [ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap130430.html -- 7.0 Кб -- 28.02.2014
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    182. APOD: March 25, 1996 - Comet Hyakutake Passes the Earth
    ... Asteroids - usually less massive than comets - frequently whiz by inside the Moon 's orbit, with four doing so far in this ... In the distant past, asteroids have even struck the Earth. ...
    [ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap960325.html -- 5.7 Кб -- 02.10.2012
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    183. APOD: June 4, 1996 - Impact! 65 Million Years Ago
    ... Geologists and paleontologists often entertain the idea of a large asteroid or comet impacting the Earth as the culprit. ... the right age, the crater is consistent with the impact of an asteroid of sufficient size (6 to 12 miles wide) to cause the ...
    [ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap960604.html -- 5.5 Кб -- 02.10.2012
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    184. APOD: October 12, 1997 - Impact! 65 Million Years Ago
    ... Geologists and paleontologists often entertain the idea of a large asteroid or comet impacting the Earth as the culprit. ... the right age, the crater is consistent with the impact of an asteroid of sufficient size (6 to 12 miles wide) to cause the ...
    [ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap971012.html -- 5.0 Кб -- 02.10.2012
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    185. Chronology of Solar System Discovery
    ... increased dramatically in the 19th century with the discovery of the asteroids (464 of which were known at by 1899) but only 9 ...
    [ Сохраненная копия ]  Ссылки http://www.sai.msu.su/tnp/history.html -- 9.7 Кб -- 01.10.2012
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    186. Seeing the Solar System
    ... It's easy to see a few of the brighter asteroids with binoculars. Several hundred can be seen with small telescopes. ... And even today, many asteroids and comets are still discovered by amateur astronomers. ...
    [ Сохраненная копия ]  Ссылки http://www.sai.msu.su/tnp/see.html -- 14.3 Кб -- 01.10.2012
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    187. APOD Index
    ... Comets --- Hyakutake * Hale-Bopp * Halley . Asteroids . Rockets/Launch Vehicles * Orbiting Observatories * Space Stations * Earth Observatories . ...
    [ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/lib/aptree.html -- 5.8 Кб -- 21.12.2007
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    188. Spacecraft
    ... Asteroid Rendezvous (NEAR) mission promises to answer fundamental questions about the nature of near-Earth objects such as ... These asteroids are closely related to the more numerous "Main Belt" asteroids that orbit the Sun in a vast doughnut-shaped ...
    [ Сохраненная копия ]  Ссылки http://www.sai.msu.su/tnp/spacecraft.html -- 36.8 Кб -- 21.12.2007
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    189. Hypothetical Planets
    ... 5 comets and 15 asteroids, including Chiron, the most distant asteroid known when it ... asteroid outside Pluto's orbit was found, followed by five additional trans ... Asteroid a e Incl Node Arg perih Mean an Per Name a.u. deg deg deg deg yr 944 5 ...
    [ Сохраненная копия ]  Ссылки http://www.sai.msu.su/tnp/hypo.html -- 63.4 Кб -- 01.10.2012
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    190. The Nine Planets Glossary
    ... It has no particular meaning except that asteroid N+1 was discovered after asteroid N. (see appendix 5 ) . astronomical unit (AU) . ...
    [ Сохраненная копия ]  Ссылки http://www.sai.msu.su/tnp/help.html -- 62.9 Кб -- 01.10.2012
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