Ask Dr. Universe: How did people figure out how much a whole planet weighs?. #Astronomy #science https://t.co/TvBAxSEJEm
— Yusra Salim | يُسرى بِنْت سالم (@Shulab) April 26, 2021
from Twitter https://twitter.com/Shulab
Apr 26, 2021
Ask Dr. Universe: How did people figure out how much a whole planet weighs?. #Astronomy #science https://t.co/TvBAxSEJEm
from Twitter https://twitter.com/Shulab
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