တိုက်တန် (ဂြိုဟ်ရံလ): တည်းဖြတ်မှု မူကွဲများ
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အရေးမကြီး တိုက်တန် (လ) စာမျက်နှာကို တိုက်တန် (ဂြိုဟ်ရံလ) သို့ Dr Lotus Blackက ရွှေ့ခဲ့သည် |
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စာကြောင်း ၁ -
{{distinguish|ထရီတွန် (လ)}}
{{Infobox planet
| name = Titan
| alt_names = Saturn VI
| pronounced = {{IPAc-en|audio=En-us-Titan.ogg|ˈ|t|aɪ|t|ən}}
| adjectives = Titanean, Titanian<ref>"Titanian" is the adjectival form of both Titan and Uranus's moon [[Titania (moon)|Titania]]. The latter may be pronounced with an ''{{respell|ah}}'' vowel ({{IPAc-en|t|ᵻ|ˈ|t|ɑː|n|i|ə|n}}), but the form for Titan is only pronounced with an ''{{respell|ay}}'' vowel: {{IPAc-en|t|aɪ|ˈ|t|eɪ|n|i|ə|n}}. The less common "Titanean" {{IPAc-en|t|aɪ|t|ə|ˈ|n|iː|ə|n}} refers only to Titan.</ref>
| image = Titan in true color.jpg
| caption = Titan in natural color. The thick atmosphere is orange due to a dense [[:Category:Organonitrogen compounds|organonitrogen]] haze.
| orbit_ref =<ref name="horizons" />
| discovery = yes
| discoverer = [[Christiaan Huygens]]
| discovered = March 25, 1655
| periapsis = {{val|1186680|u=km}}
| apoapsis = {{val|1257060|u=km}}
| semimajor = {{val|1221870|u=km}}
| eccentricity = {{val|0.0288}}
| period = {{val|15.945|u=days}}
| avg_speed = 5.57 km/s (calculated)
| inclination = {{val|0.34854|u=°}} (to Saturn's equator)
| satellite_of = [[စနေဂြိုဟ်]]
| physical_characteristics = yes
| mean_diameter = {{val|5151.0|4.0|u=km}} (0.404 [[Earth]]s)<ref name="Jacobson 2006">{{cite journal| doi=10.1086/508812| last1=Jacobson | first1=R. A.| last2=Antreasian | first2=P. G.| last3=Bordi | first3=J. J.| last4=Criddle | first4=K. E.| last5=Ionasescu | first5=R.| last6=Jones | first6=J. B.| last7=Mackenzie | first7=R. A.| last8=Meek | first8=M. C.| last9=Parcher | first9=D.| first10=F. J. | last10=Pelletier| first11=W. M. | last11=Owen, Jr.| first12=D. C. | last12=Roth| first13=I. M. | last13=Roundhill| first14=J. R. | last14=Stauch| date=December 2006| title=The Gravity Field of the Saturnian System from Satellite Observations and Spacecraft Tracking Data| journal=The Astronomical Journal| volume=132 | issue=6 | pages=2520–2526| url=http://iopscience.iop.org/1538-3881/132/6/2520/fulltext| bibcode=2006AJ....132.2520J| ref={{sfnRef|Jacobson Antreasian et al.|2006}}}}</ref> (1.480 Moons)
| surface_area = {{val|8.3|e=7|u=km2}} (0.163 Earths) (2.188 Moons)
| volume = {{val|7.16|e=10|u=km3}} (0.066 Earths) (3.3 Moons)
| mass = {{val|1.3452|0.0002|e=23|u=kg}} <br>(0.0225 Earths)<ref name="Jacobson 2006" /> (1.829 Moons)
| density = {{val|1.8798|0.0044|u=g/cm3}}<ref name="Jacobson 2006" />
| surface_grav = {{val|1.352|u=m/s2}} ({{val|0.14|u=[[G-force|''g'']]}}) (0.85 Moons)
| moment_of_inertia_factor = {{val|0.3414|0.0005}}<ref name="Iess2010">{{cite journal|last1= Iess|first1= L.|last2= Rappaport|first2=N. J.|last3= Jacobson|first3=R. A.|last4= Racioppa|first4= P.|last5= Stevenson|first5=D. J.|last6= Tortora|first6= P.|last7= Armstrong|first7=J. W.|last8= Asmar|first8=S. W.|title= Gravity Field, Shape, and Moment of Inertia of Titan|journal= Science|volume= 327|issue= 5971|date= 2010-03-12|pages= 1367–1369|doi= 10.1126/science.1182583|pmid=20223984|bibcode = 2010Sci...327.1367I }}</ref> (estimate)
| escape_velocity = {{val|2.639|u=km/s}} (0.236 Earths) (1.11 Moons)
| rotation = Synchronous
| axial_tilt = Zero
| albedo = 0.22<ref>{{cite web |last=Williams |first=D. R. |date=February 22, 2011 |title=Saturnian Satellite Fact Sheet |publisher=NASA |url=http://nssdc.gsfc.nasa.gov/planetary/factsheet/saturniansatfact.html |accessdate=2015-04-22 |deadurl=no |archiveurl=https://web.archive.org/web/20100430122034/http://nssdc.gsfc.nasa.gov/planetary/factsheet/saturniansatfact.html |archivedate=April 30, 2010 |df=mdy-all }}</ref>
| magnitude = 8.2<ref name="arval" /> to 9.0
| single_temperature = {{convert|93.7|K|°C}}<ref name="Mitri">{{cite journal |last=Mitri |first=G. |last2=Showman |first2=Adam P. |last3=Lunine |first3=Jonathan I. |last4=Lorenz |first4=Ralph D. |date=2007 |title=Hydrocarbon Lakes on Titan |url=http://www.lpl.arizona.edu/~showman/publications/mitri-etal-2007-lakes.pdf |format=PDF |journal=Icarus |volume=186 |issue=2 |pages=385–394 |doi=10.1016/j.icarus.2006.09.004 |bibcode=2007Icar..186..385M |deadurl=no |archiveurl=https://web.archive.org/web/20080227112028/http://www.lpl.arizona.edu/~showman/publications/mitri-etal-2007-lakes.pdf |archivedate=February 27, 2008 |df=mdy-all }}</ref>
| atmosphere = yes
| surface_pressure = {{val|146.7|ul=kPa}} ({{val|1.45|ul=atm}})
| atmosphere_composition = Variable<br> Stratosphere:<br />98.4% [[နိုက်ထရိုဂျင်]] ({{chem|N|2}}),<br />1.4% [[မီသိန်း]] ({{chem|CH|4}}),<br />0.2% [[ဟိုက်ဒရိုဂျင်]] ({{chem|H|2}});<br />Lower troposphere:<br>95.0% {{chem|N|2}}, 4.9% {{chem|CH|4}};<ref name="Niemann" /><br />{{nowrap|97% {{chem|N|2}},}} {{nowrap|2.7±0.1% {{chem|CH|4}},}} {{nowrap|0.1–0.2% {{chem|H|2}}{{sfnp |Coustenis |Taylor |2008 |pp=154–155}}}}
}}
[[File:Titan in natural color Cassini.jpg|thumb|300px|တိုက်တန်ဂြိုဟ်ရံလ]]
တိုက်တန် သို့မဟုတ် စေတန် ၆ သည် [[စနေဂြိုဟ်]]၏ အကြီးဆုံးလ ဖြစ်သည်။ ယင်းအား ဒတ်ချ်လူမျိုး နက္ခတ္တပညာရှင် Christiaan Huygens ဆိုသူမှ ၁၆၅၅ ခုနှစ်တွင် ရှာဖွေတွေ့ရှိခဲ့သည်။<ref>{{cite web|url=http://assets.cambridge.org/052179/3483/sample/0521793483ws.pdf |format=PDF |title=Lifting Titan's Veil |publisher=Cambridge |archiveurl=http://web.archive.org/web/20050222073209/http://assets.cambridge.org/052179/3483/sample/0521793483ws.pdf |archivedate=2005-02-22 }}</ref><ref>{{cite web |url=http://antwrp.gsfc.nasa.gov/apod/ap050325.html |publisher=NASA |work=Astronomy Picture of the Day |title=Titan |archiveurl=http://web.archive.org/web/20050327011129/http://antwrp.gsfc.nasa.gov/apod/ap050325.html |archivedate=2005-03-27 }}</ref>
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[[Category:စနေဂြိုဟ်၏ ဂြိုဟ်ရံလများ]]
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