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B Class stars have the following characteristics.

  • Temperature: 10,000 -> 30,000 Kelvin
  • Colour: Blue -> Blue-white
  • Mass: 2.1 -> 16 Solar masses
  • Radius: 1.8 -> 6.6 Solar radius
  • Luminosity: 25 -> 30,000 Solar luminosities.
  • Rarity: 0.13% of all main sequence stars.
Examples: Rigel

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