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Back to Earth 3

StargazingSeries 3
Episode 6 of 6

Brian, Dara and their guests return for an extra half hour of chat, debate and audience participation celebrating all things astronomical.

29 minutes

Last on

Thu 10 Jan 201321:00
BBC HD & BBC Two

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  • Replay Thursday's Live Web Chat

    Take a look back at our web chat for facts, photos and your questions answered by experts.

  • Explore Mars!

    Your help is needed to explore Mars like never before for the latest Zooniverse project.

How do telescopes work?

How do telescopes work?

Do you know the differences between refractor, reflector and radio telescopes?

Find out about the principles behind each in this illustrated guide.

Astro audio slideshow

Astro audio slideshow
Astronomer Mark Thompson handpicks his favourite space pictures from the Stargazing Live Flickr group.

Watch on BBC Science

Follow @BBCStargazing

Follow @BBCStargazing
News, event details and behind-the-scene photos from the Stargazing LIVE production team.

Follow @BBCStargazing on Twitter

Credits

PresenterBrian Cox
PresenterDara O Briain
Series EditorAlan Holland
Executive ProducerHelen Thomas

Broadcast

  • Thu 10 Jan 201321:00
    BBC HD & BBC Two

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