«Մասնակից:Ahaik/ավազարկղ»–ի խմբագրումների տարբերություն

 

===''Կասինի-Հյուգենս''===

Even with the data provided by the ''Voyagers'', Titan remained a body of mystery—a large satellite shrouded in an atmosphere that makes detailed observation difficult. The mystery that had surrounded Titan since the 17th-century observations of Christiaan Huygens and Giovanni Cassini was revealed by a spacecraft named in their honor.

 

The ''Cassini–Huygens'' spacecraft reached Saturn on July 1, 2004, and began the process of mapping Titan's surface by [[radar]]. A joint project of the [[European Space Agency]] (ESA) and [[NASA]], ''Cassini–Huygens'' has proved a very successful mission. The ''Cassini'' probe flew by Titan on October 26, 2004, and took the highest-resolution images ever of Titan's surface, at only {{convert|1200|km|mi}}, discerning patches of light and dark that would be invisible to the human eye. ''Huygens'' landed<ref>{{cite journal |first=Steve |last=Lingard |last2=Norris |first2=Pat |url=http://www.ingenia.org.uk/ingenia/articles.aspx?Index=317 |title=How To Land on Titan |issue=23 |date=June 2005 |publisher=Ingenia |accessdate=2009-01-11 }}</ref> on Titan on January 14, 2005, discovering that many of its surface features seem to have been formed by fluids at some point in the past.<ref name="huygens_picture_saturn">{{cite web |url=http://saturn.jpl.nasa.gov/operations/index.cfm |title=Cassini at Saturn: Introduction |accessdate=2007-09-06 |publisher=NASA, Jet Propulsion Laboratory }}</ref> Titan is the most distant body from Earth to have a space probe land on its surface.<ref>{{cite web |url=http://www.spacetoday.org/SolSys/Saturn/SaturnHuygens.html |title=Huygens Exposes Titan's Surface |accessdate=2007-08-19 |work=Space Today }}</ref> On July 22, 2006, ''Cassini'' made its first targeted, close fly-by at {{convert|950|km|mi}} from Titan; the closest flyby was at {{convert|880|km|mi}} on June 21, 2010.<ref>{{cite web |title=Cassini Equinox Mission: Titan Flyby (T-70) – June 21, 2010 |publisher=NASA/JPL |url=http://saturn.jpl.nasa.gov/mission/flybys/titan20100621/ |accessdate=2010-07-08 }}</ref> Liquid has been found in abundance on the surface in the north polar region, in the form of many lakes and seas discovered by ''Cassini''.<ref name="PIA08630"/>

 

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|[[Պատկեր:Huygens surface color.jpg|մինի|աջից|120px|''Հույգենսի'' արած Տիտանի նկարը։]]||[[Պատկեր:Huygens surface color sr.jpg|մինի|upleft|120px|Նույնը` հստակեցված տեսքով։]]