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Home Q & A Board Science-Related Homework Help Physics Astronomy
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bluejean bluejean
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4 months ago

HII regions are found near stars cooler than 25,000 K because large amounts of ultraviolet photons would totally destroy the hydrogen atoms in the gas.



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ASTRO

ASTRO


Edition: 3rd
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Moh1995abdelMoh1995abdel
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bluejean Author
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4 months ago
Thanks
linlinlin
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Yesterday
This calls for a celebration Person Raising Both Hands in Celebration
veronee_madison
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2 hours ago
Smart ... Thanks!
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