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Back up to: Stargazing

1. Back to Earth 3

   6/6 The team reveals the viewers' most extraordinary astronomy images.
2. Episode 3

   5/6 The results of the viewers' challenge to find undiscovered galaxies at the edge of space.
3. Back to Earth 2

   4/6 The team reveals the viewers' most extraordinary astronomy images.
4. Episode 2

   3/6 Brian Cox and Dara O Briain are joined by astronauts Walt Cunningham and Chris Hadfield.
5. Back to Earth 1

   2/6 The team reveals the viewers' most extraordinary astronomy images.
6. Episode 1

   1/6 The team take on the challenge to capture the mysterious and elusive northern lights.
7. Mission Control

   A live interactive programme from the W5 Science Centre in Belfast.