The Sky at Night: 1975
Season 19 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Directly follows the overarching narrative developments of The Sky at Night Season 18.
- Faction dynamics and core character alliances shift under escalating external stakes.
- Crucial mysteries introduced previously reach key turning points and narrative reckonings.
- Sets up serialized story arcs that build directly toward the climactic season finale.
Episode Guide
Season 19 Progress Shield
Orion, the Hunter
Jan 6, 1975
Patrick Moore talks about this most splendid of constellations.
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.
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 eclips
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 Ji
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 tal
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?
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 outsid
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 res
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
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, w
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
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 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 t