Blue supergiant star | Wikipedia audio article
Channel: wikipedia tts
Date: 2019-10-04

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Blue_supergiant_star


00:00:33 1 Formation
00:04:04 2 Properties
00:06:15 3 Examples



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Speaking Rate: 0.9424015981889681
Voice name: en-US-Wavenet-F


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SUMMARY
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Blue supergiant stars are hot luminous stars, referred to scientifically as OB supergiants.  They have luminosity class I and spectral class B9 or earlier.Blue supergiants (BSGs) are found towards the top left of the Hertzsprung–Russell diagram to the right of the main sequence.  They are larger than the Sun but smaller than a red supergiant, with surface temperatures of 10,000–50,000 K and luminosities from about 10,000 to a million times the Sun.