The Sky at Night — Episode 10: Viking - The End of the Beginning

You are watching the episode Viking - The End of the Beginning Mars has been reached. Both Vikings have not only landed successfully but have sent back information which is as exciting as it is unexpected. Now that the first results have been studied, we are able to give a realistic picture of Mars, and Patrick Moore , Professor Geoffrey Eglinton and Dr Garry Hunt sum up our new ideas about the Red Planet.