Die Sunn is de Schdern im Zentrum vum Sunnesyschdem.
Die Sunn is än Gelwe Zwerg un beschdehd aus Zone mit schalefermiche Ufbau. Die ganze Planeede im Sonnesyschdem, wie ah unser Erd, kraise um die Sunn rum. Sei astronomischs Symbol isch .
Sunn | |
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Beobachtungsdade | |
Middlere Entfernung | 149,6 × 106 km |
Klännschde Erdabschdand Greeschde Erdabschdand | 147,1 × 106 km 152,1 × 106 km |
Middlere schainbare Dorchmesser | 31,5 bis 32,5 Bogeminude |
Schainbare Hellichkait (V) | −26m74 |
Physikalische Ägenschafde | |
Dorchmesser | 1,3914 × 106 km |
Masse | 1,989 × 1030 kg |
Middlere Dichte | 1,408 g/cm3 |
Haaptbeschdanddääle (Stoffmenge in der Photosphäre) |
|
Fallbeschlainichung | 274 m/s2 |
Fluchtgeschwindichkait | 617,3 km/s |
Rotationsperiod (bei 16° Breite) | 25 d 9 h 7 min |
Neigung vun de Rodadionsachs | 7,52° |
Laichdkraft | 3,846 × 1026 W |
Absolude Hellichkait (V) | +4M83 |
Effektive Owwerflächetemperadur | 5778 K |
Spektralklass | G2V |
Alder | ca. 4,6 × 109 a |
Planede | 8 |
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