Exploding stars created the calcium in our bones and teeth, study says. #Astronomy #science https://t.co/twmzw8IlAo
— Yusra Salim | يُسرى بِنْت سالم (@Shulab) August 6, 2020
from Twitter https://twitter.com/Shulab
Aug 6, 2020
Exploding stars created the calcium in our bones and teeth, study says. #Astronomy #science https://t.co/twmzw8IlAo
from Twitter https://twitter.com/Shulab
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