On the hunt for other solar systems, scientists have discovered an Earth-sized planet orbiting the star nearest to our Sun, Proxima Centauri. It’s an important test of whether we are alone in the universe. Stephen Hawking and others are calling for a mission to search for extraterrestrial life. NASA and private companies are studying what it will take to make our first interstellar space flight.

Episode Length: 00:42:00

Year: 2017

Episode: 1

This documentary is available to watch for FREE on Planet Knowledge, a free to watch video on demand channel on Freeview HD (Channel 265), Youview, Samsung connected TV’s, selected smart TV’s, tablets and smartphones using Android or iOS.