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    1. Saturn's rings National Astronomy and Ionosphere Center (Arecibo Observatory)
    ... The Keplerian velocity profile of the rings results in the outermost or A ring which provides the earliest echo, appearing at a lower Doppler shift than the middle or B ring. ...
    [ Сохраненная копия ]  Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=147&Itemid=474 -- 16.4 Кб -- 13.04.2016
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    2. http://www.naic.edu/~gibson/poems/tolkien1.html
    ... One Ring to rule them all, One Ring to find them, One Ring to bring them all and in the darkness bind them In the Land of Mordor where the Shadows lie. ...
    [ Сохраненная копия ]  Ссылки http://www.naic.edu/~gibson/poems/tolkien1.html -- 1.4 Кб -- 16.07.1996
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    3. http://www.naic.edu/vscience/schedule/tpfiles/NicholsontagR1536tp.ps
    ... of Saturn's rings ABSTRACT: In 1999 and 2000 we obtained the rst true radar images of Saturn's rings, using the Arecibo S-band ...
    [ Текст ]  Ссылки http://www.naic.edu/vscience/schedule/tpfiles/NicholsontagR1536tp.ps -- 88.8 Кб -- 19.04.2004
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    4. http://www.naic.edu/vscience/schedule/tpfiles/ChurchwelltagA2583tp.pdf
    ... Astronomy Spectroscopy Galactic 14 Hours 1 hr Are Infrared Bubbles Actually Rings ... et al. cataloged 600, are 3D shells or 2D rings seen approximately face-on ... structures with expanding lobes in the ring case, but smaller, spherical forms, with ...
    [ Текст ]  Ссылки http://www.naic.edu/vscience/schedule/tpfiles/ChurchwelltagA2583tp.pdf -- 53.0 Кб -- 08.06.2010
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    5. http://www.naic.edu/vscience/schedule/tpfiles/NicholsontagR2449tp.pdf
    ... rings We propose to continue radar imaging of Saturn's rings using the S-band solar system radar as the opening angle of the ...
    [ Текст ]  Ссылки http://www.naic.edu/vscience/schedule/tpfiles/NicholsontagR2449tp.pdf -- 52.9 Кб -- 07.10.2008
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    6. http://www.naic.edu/vscience/schedule/tpfiles/NicholsontagR1669tp.ps
    ... of Saturn's rings ABSTRACT: In October 1999 we obtained the rst true radar images of Saturn's rings, using the Arecibo S-band ...
    [ Текст ]  Ссылки http://www.naic.edu/vscience/schedule/tpfiles/NicholsontagR1669tp.ps -- 97.6 Кб -- 19.04.2004
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    7. http://www.naic.edu/vscience/schedule/tpfiles/NicholsontagR1983tp.ps
    ... ring's re ectivity, similar to the asymmetry seen in this ring at optical wavelengths and which is believed to be due to ... rings' radar cross-section and circular polarization ratio vs opening angle which are constraining the thickness and still ...
    [ Текст ]  Ссылки http://www.naic.edu/vscience/schedule/tpfiles/NicholsontagR1983tp.ps -- 97.8 Кб -- 30.08.2004
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    8. http://www.naic.edu/vscience/schedule/tpfiles/NicholsontagR1419tp.ps
    ... of Saturn's rings ABSTRACT: In October 1999 we obtained the rst true radar images of Saturn's rings, using the Arecibo S-band ...
    [ Текст ]  Ссылки http://www.naic.edu/vscience/schedule/tpfiles/NicholsontagR1419tp.ps -- 83.6 Кб -- 19.04.2004
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    9. http://www.naic.edu/vscience/schedule/tpfiles/NicholsontagR1321tp.ps
    ... mapping of Saturn's rings ABSTRACT: We propose to make delay-Doppler radar maps of Saturn's rings, exploiting the increased S ... rings, similar to the azimuthal asymmetry seen in the A ring at visible wavelengths, provide a radial pro le of radar re ...
    [ Текст ]  Ссылки http://www.naic.edu/vscience/schedule/tpfiles/NicholsontagR1321tp.ps -- 86.6 Кб -- 25.02.2003
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    10. http://www.naic.edu/vscience/schedule/tpfiles/NicholsontagR2244tp.pdf
    ... 21 Hours 4 hrs S-band radar mapping of Saturn's rings We propose to continue radar imaging of Saturn's rings using the S-band solar system radar as the opening angle of the rings, B , decreases to 14 in February 2007, lower than any elevation we have ...
    [ Текст ]  Ссылки http://www.naic.edu/vscience/schedule/tpfiles/NicholsontagR2244tp.pdf -- 52.6 Кб -- 15.08.2006
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