Alien Files: Unsealed

Alien Communications

Series 4 - Episode 18 Alien Communications

Sun 28 Jan 12:30am - 1am Blaze
See Repeats
Tue 30 Jan, 6:30pm - 7pm H2
Wed 31 Jan, 12:30am - 1am H2
Wed 31 Jan, 11:30am - 12pm H2
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Summary

The vast distances in space, and the prolonged amount of time it takes for communications to be transmitted and received between distant stars.
Documentary