Capella (Alpha Aurigae) (Aug 4, 2003)
Type:
Main sequence star (Class G)
Brightness:
0.2 mag
Distance:
42 ly
Colour:
white-yellow / white-yellow
Luminosity (Sun = 1):
80 x / 50 x
Mass (Sun = 1):
2.5 x / 2.5 x
Temperature:
6,000 Grad / 6,000 degrees approx.
Diameter:
20 solar radii / 20 solar radii
Notes:
Capella is a double star System whose components orbit each other within 104 days in a distance of 112 million kilometers.

Celestron Newton 200/1000, Nikon Coolpix 4500

You can take a look at the real relations
between the sizes of selected stars by clicking here.

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