Deimos (maan): Verskil tussen weergawes

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{{Inligtingskas Planeet
| name = Deimos
| alt_names = Mars II
| image = [[Lêer:Deimos-MRO.jpg|250px|Deimos]]
| symbol image = [[Lêer:Deimos-MRO.pngjpg|25px250px|Deimos se sterrekundige simbool]]
| symbol = [[Lêer:Deimos.png|25px|Deimos se sterrekundige simbool]]
| caption = Deimos, soos waargeneem deur die Mars Reconnaissance Orbiter-wenteltuig
| discovery = yes
| bgcolour = #ffc0c0
| discoverer = [[Asaph Hall]]
| discovered = 12 August 1877
| orbit_ref = <ref name=JPL>{{cite web
|date=2007-06-28
Line 15 ⟶ 16:
|url=http://ssd.jpl.nasa.gov/?sat_elem
|accessdate=2008-02-13}}</ref>
| semimajor = 23&nbsp;460 kilometres<br />(14&nbsp;580 mi)
| eccentricity = 0.000 2
| period = 1.262&nbsp;44 d<br />30.30 h
| avg_speed = 1.35 km/s
| inclination = 0.93° tot die Mars se ewenaar<br />1.793° tot tot onveranderbare vlakte<br />27.58° tot [[Ekliptika]]
| satellite_of = [[Mars (planeet)|Mars]]
| physical_characteristics = yes
| mean_radius = 6,2 km<br />3,9 mi<ref name=jplssd/>
| dimensions = 15 × 12.2 × 10.4 km<ref name=NASA>{{cite web
|date=2003-09-30
|title=Mars: Moons: Deimos
Line 29 ⟶ 30:
|url=http://solarsystem.nasa.gov/planets/profile.cfm?Object=Mar_Deimos
|accessdate=2008-08-18}}</ref>
| mass = 1.48{{e|15}} kg<br />(2.5{{e|-10}} Aardes)
| density = 1.471 g/cm³<ref name=jplssd>{{cite web
|url=http://ssd.jpl.nasa.gov/?sat_phys_par
|publisher=[[JPL]] (Solar System Dynamics)
Line 36 ⟶ 37:
|date=2006-07-13
|accessdate=2008-01-29}}</ref>
| surface_grav = 0.003&nbsp;9 m/s² (3.9 mm/s²)<br />0.000&nbsp;40 ''g'' (400 µ''g'')
| escape_velocity = 5.6 m/s (20 km/h)
| rotation = synchronies
| albedo = 0.068<ref name=jplssd/>
| magnitude = 12.4 <ref name=jplssd/><ref name=magnitude>{{cite web|title=Classic Satellites of the Solar System|url=http://www.oarval.org/ClasSaten.htm|publisher=Observatorio ARVAL|accessdate=2007-09-28}}</ref>
| single_temperature = ≈233 [[kelvin|K]]
| Age = 2 miljard jare
}}
 
'''Deimos''' ([[Grieks]]: ''Δείμος''; ook '''Mars II'''<ref name=Blunck/>) is die kleiner en buiter van die twee [[natuurlike satelliet|mane]] van [[Mars (planeet)|Mars]] (die ander is [[Phobos (maan)|Phobos]]). Dit is vernoem na [[Deimos (mitologie)|Deimos]], 'n perd van [[Ares]] (Mars) in die [[Griekse mitologie]], wat "vreesskrik" beteken.<ref name=Blunck>{{cite book |last= Blunck |first=Jürgen |title= Solar System Moons: Discovery and Mythology|url= |year=2009 |publisher=[[Springer Science+Business Media|Springer]] |isbn=3540688528, 9783540688525 |oclc= |doi= |id= |page=5|chapter=The Satellites of Mars; Discovering and Naming the Satellites|quote= |ref=}}</ref> Dit is ook een van die kleiner mane in die [[Sonnestelsel]].
 
== Ontdekking ==
[[Lêer:USNO26in-2.jpg|thumb|left|150px|Die [[teleskoop]] gebruik om Deimos en Phobos die eerste keer waar te neem.]]
[[Lêer:Orbits of Phobos and Deimos.gif|thumb|left|150px|Wentelbane van Phobos en Deimos (volgens skaal)]]
Deimos is die eerste keer waargeneem deur die Amerikaanse sterrekundige Asaph Hall op [[12 Augustus]] [[1877]] by die [[Amerikaanse marine-sterrewag]] in Washington, D.C om 07:48 [[MGT]].<ref>[http://adsabs.harvard.edu//full/seri/AN.../0091//0000014.000.html ''Observations of the Satellites of Mars'']</ref> Asaph Hall het ook [[Phobos (maan)|Phobos]], Mars se ander maan, ontdek.
 
Die name is voorgestel deur Henry Madan (1838–1901), natuurwetenskapmeester by [[Eton Kollege|Eton]], vanuit Boek XV van die [[Iliad]], waar Ares sy twee seuns (Phobos en Deimos) oproep.<ref name=Blunck/>
 
Deimos is van naderby gefotografeer deur [[Mariner 9]] in [[1971]], [[Viking 1]] in [[1977]], [[Phobos 2]] in [[1988]], [[Mars Global Surveyor]] in [[1998]] en [[2003]], en deur die [[Mars Express]] in [[2004]] en [[2008]].
 
== Verwysings ==