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100 years ago, scientists had limited knowledge about the cosmos. #PretendToBeATimeTraveler with our Cosmic Times educational series, and hop through important moments that defined our understanding of how the universe began and how it changed over time: https://go.nasa.gov/3uGkceV
#NASAUniverse

Cosmic Times

go.nasa.gov
#nasauniverse #pretendtobeatimetraveler
in reply to NASA

Jennie Kermode
Jennie Kermode
• •
To be fair, we also have limited knowledge about the cosmos. 😀

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