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Episode guide

The Sky at Night: 1975

13 episodes · premiered Jan 6, 1975

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The Sky at Night: cast and where to watch

  1. Episode 1: Orion, the Hunter Jan 6, 1975 Patrick Moore talks about this most splendid of constellations.
  2. Episode 2: The New Northern Hemisphere Laboratory Feb 6, 1975 Patrick Moore discusses plans for the new Northern Hemisphere laboratory with Dr Graham Smith , director-designate of the Royal Greenwich Observatory.
  3. Episode 3: Algol: The Winking Demon Mar 5, 1975 Algol, the Demon Star, is now well on view during the evening. Every two-and-a-half days the star seems to give a long, slow ' wink.' Patrick Moore describes this remarkable eclipsing…
  4. Episode 4: Astronomy of The Infra-Red Apr 10, 1975 Astronomy of the infra-red is now vitally important in studies of the planets, the stars and the universe as a whole. Patrick Moore talks about infra-red astronomy to Professor Jim Ring…
  5. Episode 5: The Outer Planets Apr 30, 1975 This month the three outermost planets - Uranus, Neptune and Pluto - are all on view, even though they are faint. Each has its own special points of interest; and Patrick Moore talks about…
  6. Episode 6: The Mysterious X-rays May 30, 1975 A strange force of X-rays from the sky has been discovered by instruments on board the British satellite Ariel-5. What is the object sending them out?
  7. Episode 7: The Hot Clouds of the Sun Jul 1, 1975 What is the sun made of? To study the nature of the sun, special equipment is needed. At Sevenoaks Commander Henry Hatfield has built one of the very few spectrohelioscopes outside…
  8. Episode 8: The New Moon Jul 28, 1975 Six years ago, in July 1969, the first man landed on the moon. At a major international conference held in London last month, experts from all over the world met to discuss the results of…
  9. Episode 9: The Galilean Satellites Aug 28, 1975 Jupiter's four largest moons - the Galilean satellites - are among the most interesting members of the Solar System. They were discovered by Galileo in 1610 - hence their nickname - and…
  10. Episode 10: The Origin of the Universe Sep 23, 1975 How did the Universe come into being? This is one of the most important and most puzzling problems facing mankind. Recently we have some new information from the depths of space, which may…
  11. Episode 11: New Star in Cygnus Oct 22, 1975 We have just seen the brightest nova, or exploding star, for many years - Nova Cygni , which blazed out in the constellation of the Swan and became very bright. Patrick Moore talks about…
  12. Episode 12: The Rocks on Venus Nov 12, 1975 On 22 October the Russians landed a space-probe on the planet Venus and sent back pictures of the surface which have taken astronomers completely by surprise. Venus has been called the…
  13. Episode 13: The Search for Life in the Universe Dec 10, 1975 Is Earth the only inhabited world, or is our civilisation one of many? Patrick Moore looks at some of the stars which could be the centres of planetary systems, and speculates as to which…