Sorry, this episode is not currently available

Episode 2

Stargazing Live, Series 3 Episode 3 of 6

Dara and Brian's journey through the night sky continues with a look into the distant past, explaining how it is possible to chart the history of the universe by looking million of light years out into the depths of space. Meanwhile, Mark Thompson reveals what can be learned from the colours of the stars. At NASA, Liz Bonnin meets the team building the largest space telescope in the world, an instrument that's 100 times more powerful than the Hubble.

Release date:

59 minutes

Last on

Sat 12 Jan 2013 17:00

Explore Mars!

Explore Mars!

Your help is needed to explore Mars like never before with Dr Chris Lintott's latest Zooniverse project. Become a citizen scientist and do real science online.

The Big Bang - how do we know?

The Big Bang - how do we know?
Most scientists accept that the Big Bang happened, but what's the evidence?

Read the full article on BBC Science

Universe through time poster

Universe through time poster
Explore billions of years in the life of the Universe from the Big Bang to the distant future (PDF 0.8MB, Adobe Reader required).

Get the poster

Follow @BBCStargazing

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

Follow @BBCStargazing on Twitter

Astronomy through social media

Astronomy through social media

Web producer Simon Mackie writes about life on location for the Stargazing web team, and how they use Twitter, Flickr, live web chats and citizen science to engage with the audience at home.


Role Contributor
PresenterBrian Cox
PresenterDara O Briain
ReporterLiz Bonnin
Series ProducerAlan Holland
Executive ProducerHelen Thomas

See the International Space Station

International Space Station (NASA)

Find out when you can spot the ISS – Tim's on board!

Join our photo group

Stargazing Live photo group

Share images, inspiration and tips with fellow photographers

Tim Peake's Principia mission

Tim Peake and his Principia mission badge

Find out about Tim's mission and how to get involved