What did the Rosetta mission to comet 67P teach us about the dawn of the solar system?
The Sky at Night team face a live studio audience.
What do we know about the 4,000 planets found to date outside our own solar system?
3/4 How stars work, their life cycles and how their demise holds the key to our existence.
Patrick Moore talks to Professor John Zarnecki about Titan, a moon of Saturn. (2005)
The Galileo probe to Jupiter is due to send information about the giant planet. (1995)
Voyager 2 has been sending back remarkable new information about Neptune. (1989)
Patrick Moore learns what Voyager 2 has to tell us about Uranus. (1986)
Patrick Moore meets Professor Clyde Tombaugh, who discovered Pluto. (1980)
Patrick Moore discusses the first-ever attempt at surveying Saturn from close up. (1979)