The Sky at Night — Episode 10: Question and Answer

You are watching the episode Question and Answer What effect does the moon have on the tides? How do I recognise the constellations? What is a shooting star? Is there life on other worlds? If I want to take up astronomy, how should I go about it? These are among the commonest questions which are sent in to Patrick Moore from viewers. This evening, from his Selsey home, he selects some of the regular questions and gives them answers.