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1:24:14
Explore the dramatic story of an encounter with an extraterrestrial artifact.
3:02
The US Voyager picks up a mysterious radio signal of extraterrestrial origin.
1:58
How would we react to an extraterrestrial artifact passing through our solar system?
1:56
How would the world react to receiving news of potential extraterrestrial life?
2:21
Scientists discuss an extraterrestrial artifact's point of origin.