Are We Alone? by Gregg Easterbrook. #Astronomy #science https://t.co/Iirol7lTHk

Jul 28, 2020

Are We Alone? by Gregg Easterbrook. #Astronomy #science https://t.co/Iirol7lTHk
— Yusra Salim | يُسرى بِنْت سالم (@Shulab) July 28, 2020

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