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Bellatrix or Gamma Orionis, the left shoulder of Orion (from our point of view at the right), is a bright blue star. The star could have just enough mass to explode in distant future as supernova.

Constellation: Orion
Distance: 243 light-years
Spectral class: B2
Visual magnitude: 1.64
Luminosity: circa 4000 * Sun
Mass: 10 * Sun
Diameter: 5.77 * Sun
Radial velocity: 18.2 km/sec

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