Tonight Patrick Moore is at the Hampstead Observatory. If weather conditions are suitable television cameras will bring live pictures of the moon's surface.
Patrick Moore talks about old and new telescopes with A. H. Degenhardt, and shows some of the things which the new telescopes can reveal-for instance, about the Andromeda Galaxy, whose light takes nearly two million years to reach us.
Patrick Moore and Dr. Gilbert Fielder discuss the recent report by a Russian astronomer of an eruption on the moon, and what it reveals about the moon's origin and present state.