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Voda na Saturnovom mjesecu Enceladus ?

 
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igor
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PostPosted: Thu Mar 09, 2006 23:51    Post subject: Voda na Saturnovom mjesecu Enceladus ? Reply with quote

Pocele su se zahuktavati price o tome kako je NASA-ina letjelica Cassini pronašla tragove vode na Saturnovom mjesecu Enceladus. Vec se šire priče o otkriću života ....

http://www.space.com/scienceastronomy/060309_cassini_water.html

To be continued ....
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Josko
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Location: Biograd N/M
PostPosted: Tue Dec 19, 2006 9:21    Post subject: Ili ipak samo led? Reply with quote

Problem je što se 10% izbačenog materijala sastoji od CO2, metana i dušika, a ne može se u vodu pod tim pritiskom koji je na Enceladu, ugurati toliko metana i dušika koliko je tamo pronađeno.

http://www.saturndaily.com/reports/Cracking_Enceladus_999.html
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igor
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PostPosted: Wed Mar 28, 2007 17:37    Post subject: Reply with quote

Cassini opet na djelu, ovaj put snimajuci Saturn uočen veliki
heksagonski oblik.

http://www.nasa.gov/mission_pages/cassini/multimedia/pia09187.html
PIA09187.jpg


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Josko
Vrlo čest korisnik
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Location: Biograd N/M
PostPosted: Thu May 17, 2007 13:19    Post subject: Reply with quote

http://tinyurl.com/3xa5rf

Nova studija govori da Enceladusove ledene ljuske trljanjem proizvode toplinu koja uzrokuje gejzire na njegovoj površiti. Uzrok trljanja je, naravno, Saturnova gravitacija.
Prema navedenome, nije nužno postojanje tekuće vode u blizini površine, nego tek duboko ispod leda.
water-vapor-gas-escape-high-velocity-enceladus-shear-heating-mechanism-bg.jpg


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