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Size comparison : Sirius B, Earth and Sun

auteur: M.Carroll/Novapix

référence: a-eto01-00014

Image Size 300 DPI: 20 * 15 cm

Sirius B, a white dwarf star just 8.6 light-years from Earth, is a little larger than our world, and far smaller than our Sun. It orbits the brightest star in Earth's sky, Sirius A, at a distance equivalent to the distance from our Sun to Uranus. While Sirius B is about the size of Earth, it has nearly as much mass as our our Sun.  

Keywords for this photo:

2008 - ASTRONOMY - COMPARISON - EARTH - ILLUSTRATION - PLANET - SIRIUS B - SIZE - STAR - SUN - WHITE DWARF -