Black Sun
Terror in Outer Space confronts the breakaway moon personnel when on a collision course with an all-devouring "black sun."
Original (inaccurate) ITC summary: Terror in Outer Space confronts the breakaway moon personnel when on a collision course with an asteroid which suddenly burns out and becomes all-devouring "black sun".
- First draft script November 1973. The script was overlong- Christopher Penfold estimated there were 120 minutes worth of story.
- Second draft script 5th December 1973.
- Shooting script 21st January 1974, revised 24th January (by Christopher Penfold)
- Filmed 31st January- 21st February 1974. Filming took 3 1/2 weeks instead of the alloted 2 weeks; because of the over-run on this and Breakaway director Katzin was not asked to direct any more episodes as he had been contracted to do.
- The episode was nevertheless a favourite with all the cast and crew. However, Abe Mandell was incensed and stated they might as well close down the entire show; the episode was impossible to understand. According to Martin Landau "It was jazzed up because some people said it was too slow." In fact, the final episode is very close to that scripted. Subsequently all scripts had to be sent to the US to be vetted.
- Edited into the 1982 compilation movie Journey Through The Black Sun
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- The explosion of Ryan's Eagle is a little too small and obviously superimposed over the model.
Original score by Barry Gray, recorded at Wembley on Thursday 25th April 1974.
- Black Holes were first theorised in 1796 by Pierre Laplace, but named as such in 1967 by physicist John Wheeler. The episode may have been inspired by Professor John Taylor's 1973 book "Black Holes: The End of the Universe?". The term black hole is the standard name since about that time; older terms include frozen star, black star and black sun, which persisted into the early 1970s.
- "A hatful of the stuff can weigh more than several Alphas." Actually a black hole has a singularity as its centre- a point of infinite density. It would weigh more than several Moons.
- Light from behind a black hole is bent around the event horizon; this is a region around the singularity where the escape velocity is equal to the velocity of light. The episode is accurate in its portrayal of a black circle with a rim of stars.
- The intense gravity of a black hole creates so-called tidal effects, stretching and tearing apart objects as their near side is subject to much more gravity than the far side. The stretching of the Eagle and asteroid is therefore accurate. However, the Moon should also be destroyed by the same tidal forces.
- Super-massive black holes- which can be found in the centre of galaxies such as the Milky Way- are so large that tidal forces are much weaker. Theoretically, an object could enter the event horizon of a supermassive black hole without being torn apart.
- More on the science of black holes
- Note the forcefield does not cover the outer-most areas of the Moonbase.
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1 fatality: Mike Ryan.
- Kano also plays chess in Dragon's Domain. They use real chess pieces here (in Dragon's Domain the pieces are flat squares with symbols).
- Although under-developed, there is a suggestion of a triangle-relationship between Paul, Sandra and Tanya.
Ancient Koenig |
Ancient Bergman |
Tanya with Paul |
Alpha Technology:
- The artificial gravity system is explained by Bergman (we see the gravity towers for the first time, modified from the towers seen in Nuclear Disposal Area 1 in Breakaway). They are enhanced in this episode to provide defence screens used in many subsequent episodes (notably The Last Enemy). Koenig and Bergman bounce in low gravity in the immediate vicinity of a tower...
- First use of Victor's mechanical heart (also used in Guardian Of Piri, Force Of Life and The Infernal Machine).
- First use of Computer Room (also seen, slightly revamped, in Space Brain).
- First use of the Main Power Unit (also seen in Earthbound). This set is a revamp of Koenig's office.
- First use of the hexagonal Alpha storage boxes (also prominently featured in The Last Sunset).
- Only use of the Alpha News Service.
- First use of jackets, used prominently in Year 2. These silver jackets reappear in Testament of Arkadia.
Eagle 1 (Ryan, destroyed); 5 (lifeboat); Alan's laser Eagle
None.
Aliens:
Cosmic Intelligence in Black Sun.
When Bergman enters Main Mission, all the crew are watching the asteroid on the Big Screen. However, this shot shows a corner of the Big Screen- showing the normal "test card".
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How do they view a side-ways shot of the Eagle? |
This interior scene shows the Eagle docked to the starboard side- yet external views show the Eagle docked from the port side (the exception is the liftoff). Note the wooden base of the box is visible here. |
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