Scientists take the temperature of red supergiants
https://www.upi.com/Science_News/2021/03/01/japan-red-supergiants-lifecycle-temperature/2101614605204/?fbclid=IwAR1xxyJVO3gkzc5lI94JerbMgdWl80eFRFdll45msN-iVEHZXwwrAycwWrA Source Cited: www.upi.com Sign in to see full entry.
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