Use BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.

Find out how to listen to other BBC stations

Episode details

World Service,10 Dec 2003,22 mins

Galaxies

Discovery

Available for over a year

Change, drama, evolution and surprise in the galaxy strewn cosmos. Our own galaxy with 100 billion stars, the Milky Way, is just one of billions of galaxies in the universe. Our exploration of space is only just beginning. Far from static galaxies are constantly moving and could even collide with one another.

Programme Website
More episodes