Revision 1483686 of "Snið:Sólin" on iswiki

{| class="infobox" style="width: 20em;"
|+ style="font-size:larger;" | '''Sólin''' [[Image:Sun symbol.svg|25px]] 
|-
| colspan="2" style="text-align:center; background: #000000;" |
|-
! bgcolor="#FCC857" colspan="2" | '''Staðreyndir um sólina'''
|-
| Fjarlægð<br/><small>frá [[jörðin|jörðu]]</small>
| 1.496.000 km<br><small>8.317 mín (499 sekúndur) á [[ljóshraði|ljóshraða]]</small>
|-
| [[Sýndarbirta]] (''V'')
| −26.74 <ref name=nssdc>
{{vefheimild
 |höfundur=D.R. Williams |
 |url=http://nssdc.gsfc.nasa.gov/planetary/factsheet/sunfact.html
 |titill=Sun Fact Sheet
 |útgefandi=[[NASA]]
 |ár=2004
}}</ref>
|-
| [[Reyndarbirta]]
| 4.85 <ref>{{vefheimild | útgefandi = [[Research Consortium on Nearby Stars]] [[Georgia State University|GSU]] | ár = [[2007]]| mánuður = [[17. september]] | titill = The One Hundred Nearest Star Systems | url = http://www.chara.gsu.edu/RECONS/TOP100.posted.htm}}</ref>
|-
| [[Litrófsflokkur]]
| G2V
|-
| Málmar sem hluti efnasamsetningu
| ''Z'' = 0.0177
|-
| [[Þvermálssjónarhorn]]
| 31.6′ – 32.7′ <ref>
{{vefheimild
 |url=http://education.gsfc.nasa.gov/eclipse/pages/faq.html
 |titill=Eclipse 99: Frequently Asked Questions
 |útgefandi=[[NASA]]
}}</ref>
|-
! bgcolor="#FCC857" colspan="2" | '''Sporbaugur'''
|-
| Fjarlægð<br/><small>frá kjarna [[Vetrarbrautin|Vetrarbrautarinnar]]</small>
| ~~2.5×10<sup>17</sup> km<br/><small>26.000 ljósár</small>
|-
| [[Stjörnuþoka|Stjörnuþokutímabil]]
| (2.25–2.50) x 10<sup>8</sup> [[júlíanskt ár (stjörnufræði)|a]]
|-
| [[Hraði]]
| ~220 km/s<small><br/>(sporbaugur í kringum stjörnuþokuna)</small><br>~20 km/s<br/><small>(í samanburði við aðrar stjörnur í nágrenninu)</small>
|-
! bgcolor="#FCC857" colspan="2"  | '''Efnislegar staðreyndir'''
|-
| Þvermál
| 1.392 x 10<sup>6</sup> km <ref name=nssdc/><br/><small>109 ×  jörðin</small>
|-
| Radíus við miðbaug
| 6.955 x 10<sup>5</sup> km <ref name=sse>
{{vefheimild
 |url=http://solarsystem.nasa.gov/planets/profile.cfm?Object=Sun&Display=Facts&System=Metric
 |titill=Solar System Exploration: Planets: Sun: Facts & Figures
 |archiveurl=http://web.archive.org/web/20080102034758/http://solarsystem.nasa.gov/planets/profile.cfm?Object=Sun&Display=Facts&System=Metric
 |archivedate=2008-01-02
 |útgefandi=[[NASA]]
}}</ref><br/><small>109 ×  jörðin<small/><ref name=sse/>
|-
| Þvermál miðbaugs 
| 4.379 x 10<sup>5</sup> km <ref name=sse/><br/><small>109 × jörðin<small/><ref name=sse/>
|-
| [[Flatleiki]]
| 9 x 10<sup>-6</sup>
|-
| [[Yfirborð]]
| 6.0877 x 10<sup>12</sup> km<sup>2</sup><ref name=sse/><br/><small>11990 × Earth</small><ref name=sse/>
|-
| [[Rúmmál]]
| 1.412 x 10<sup>18</sup> km<sup>3</sup> <ref name=sse/><!-- NASA source has "1.412 x 10^18 km^3" which is 1.412 x 10^27 m^3 (basic arithmetic, also verified using the formula for volume of a sphere) --><br/><small>1.300.000 × jörðin</small>
|-
| [[Massi]]
| <!--1.988&nbsp;435 Someone please cite this before implementing it.-->1.9891 x 10<sup>30</sup> kg <ref name=nssdc/><br/><small>332.900 × jörðin</small><ref name=sse/><!-- NASA source has "1.989 x 10^30 kg" and "332,900 x Earth's" which is close enough -->
|-
| [[Eðlismassi]]
| 1.408 x 10<sup>3</sup> kg/m<sup>3</sup> <ref name=nssdc/><ref name=sse/><ref>
{{vefheimild
 |url=http://hypertextbook.com/facts/1999/MayKo.shtml
 |titill=The Physics Factbook
 |höfundur=Elert, G.
}}</ref>
|-
| Mismunandi [[eðlismassi]]
| Kjarni: 1.5 x 10<sup>5</sup> kg/m<sup>3</sup><br>neðra [[ljóshvolf]]: 2 x 10<sup>-4</sup>kg/m<sup>3</sup><br>neðra [[lithvolf]]: 5 x 10<sup>-6</sup> kg/m<sup>3</sup><br>Meðal [[sólkóróna]] 1 x 10<sup>-12</sup> kg/m<sup>3</sup><ref>
{{vefheimild
 |titill=Principles of Spectroscopy
 |url=http://www.astro.lsa.umich.edu/undergrad/Labs/spectro/short_spectro.html
 |útgefandi=[[University of Michigan]]: Astronomy Departement
 |ár=2007 
}}</ref>
|-
| [[Þyngdarafl]] við yfirborð miðbaugs
| 274 m/s<sup>2</sup> <ref name=nssdc/><br/>27.94 ''g''<br/><small>28 × jörðin<small/><ref name=sse/>
|-
| [[Lausnarhraði]]<br><small>(frá yfirborði)</small>
| 617.7 km/s <ref name=sse/><br/><small>55 × jörðin</small><ref name=sse/>
|-
| [[Hitastig]]<br/><small>við yfirborð</small>
| 5778 K <ref name=nssdc/>
|-
| Hitastig<br><small>sólkórónu</small>
| ~5 x 10<sup>6</sup> K<br/>
|-
| Hitastig<br/><small>kjarna</small>
| ~15.7 x 10<sup>6</sup> K <ref name=nssdc/>
|-
| [[Ljósafl]] (L<sub>sol</sub>)
| 3.846 x 10<sup>26</sup> W <ref name=nssdc/><br/><small>~3.75 x 10<sup>28</sup> [[lumen|lm]]</small><br/><small>~98 lm/W [[ljósnýtni]]</small>
|-
| [[Ljómi]]&nbsp;(I<sub>sol</sub>)
| 2.009 x 10<sup>7</sup> W·m<sup>−2</sup>·sr<sup>−1</sup>
<!--
|-
! bgcolor="#FCC857" colspan="2" |  '''[[Rotation]] characteristics'''
|-
| [[Obliquity]]
| 7.25° <ref name=nssdc/><br/><small>(to the [[ecliptic]])</small><br>67.23°<br/><small>(to the [[Milky Way|galactic plane]])</small>
|-
| [[Right ascension]]<br/><small>of North pole<ref name="iau-iag">
{{cite web
 |first1=P. K. |last1=Seidelmann
 |first2=V.K. |last2=Abalakin
 |first3=M. |last3=Bursa
 |first4=M.E. |last4=Davies
 |first5=C. |last5=de Bergh
 |first6=J.H. |last6=Lieske
 |first7=J. |last7=Oberst
 |first8=J.L. |last8=Simon
 |first9=E.M. |last9=Standish
 |first10=P. |last10=Stooke
 |first11=P.C. |last11=Thomas
 |title=Report Of The IAU/IAG Working Group On Cartographic Coordinates And Rotational Elements Of The Planets And Satellites: 2000
 |url=http://www.hnsky.org/iau-iag.htm
 |publisher=
 |year=2000
 |accessdate=2006-03-22
}}</ref></small>
| 286.13°<br><small>{{nowrap|19h 4min 30s}}</small>
|-
| [[Declination]]<br/><small>of North pole</small>
| +63.87°<br><small>63°52' North</small>
|-
| Sidereal [[Solar rotation|Rotation period]]<br><small>(at 16° latitude)</small>
| 25.38 days <ref name=nssdc/><br><small>{{nowrap|25d 9h 7min 13s}} <ref name="iau-iag"/></small>
|-
| <small>(at equator)</small>
| 25.05 days <ref name=nssdc/>
|-
| <small>(at poles)</small>
| 34.3 days <ref name=nssdc/>
|-
| Rotation velocity<br><small>(at equator)</small>
| {{val|7.189|e=3|u=km/h}} <ref name="sse"/><!-- derived from NASA source: equatorial circumference of 4,379,000 kilometres divided by sidereal rotation period of 609.12 hours; maybe this kind of basic calculation could be done in some generic template code? --><!-- 
|-
! bgcolor="#FCC857" colspan="2"  |  '''[[photosphere|Photospheric]] composition (by mass)'''
|-
| [[Hydrogen]]
| 73.46%<ref>
{{cite web
 |url=http://solar-center.stanford.edu/vitalstats.html
 |title=The Sun's Vital Statistics
 |publisher=[[Stanford Solar Center]]
 |accessdate=2008-07-29
}}, citing {{cite book
 |last=Eddy |first=J.
 |title=A New Sun: The Solar Results From Skylab
 |publisher=[[NASA]]
 |date=1979
 |page=37
 |url=http://solar-center.stanford.edu/vitalstats.html
 |id=NASA SP-402
}}</ref>
|-
| [[Helium]]
| 24.85%
|-
| [[Oxygen]]
| 0.77%
|-
| [[Carbon]]
| 0.29%
|-
| [[Iron]]
| 0.16%
|-
| [[Sulfur]]
| 0.12%
|-
| [[Neon]]
| 0.12%
|-
| [[Nitrogen]]
| 0.09%
|-
| [[Silicon]]
| 0.07%
|-
| [[Magnesium]]
| 0.05%
|-
| align="center" colspan="2" | {{navbar|Solar System Infobox/Sun}}
-->
|}<noinclude>

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