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blue giant
A massive, giant star of spectral type O or B. Blue giants typically have a luminosity of 10,000 Lsun and a surface temperature of 30,000 K. They have exhausted their core supply of hydrogen and are evolving to the stage at which they will expand further and cool to become red giants.
Related entry
• blue supergiant
Related categories
• TYPES OF STAR
• STELLAR ASTROPHYSICS
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