9. Venus - A Cratered World (1973)

Venus has always been a mysterious planet - shrouded in its dense, fiercely hot atmosphere, in which life as we know it could never exist. Astronomers have just announced a startling discovery: using radar and the latest computer techniques, they have detected vast, shallow craters on the surface of Venus. Patrick Moore shows these exciting pictures and explains their significance.

Release date: 1973-08-22