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"I'm very taken by mythology. I read it at a very early age and kept on reading it. Before I discovered science fiction I was reading mythology."
- Roger Zelazny
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| Ribbon World | ||
| A planet that presents the same face to its sun has a small habitable area - the ribbon between light and dark. |
| Radole was a small world – and, in military potential, perhaps the weakest of the twenty-seven. That, by the way, was another factor in the logic of the choice. It was a ribbon world – of which the Galaxy boasts a sufficient number, but among which, the inhabited variety is a rarity for the physical requirements are difficult to meet. It was a world, in other words, where the two halves face the monotonous extremes of heat and cold, while the region of possible life is the girdling ribbon of the twilight zone. Such a world invariably sounds uninviting to those who have not tried it, but there exist spots, strategically placed – and Radole City was located in such a one. It spread along the soft slopes of the foothills before the hacked-out mountains that backed it along the rim of the cold hemisphere and held off the frightful ice. The warm, dry air of the sun-half spilled over, and from the mountains was piped the water-and between the two, Radole City became a continuous garden, swimming in the eternal morning of an eternal June. |
| Technovelgy from Foundation and Empire,
by Isaac Asimov. Published by Doubleday in 1952 Additional resources -
|
This general idea is also discussed in Too Many Boards!, a 1931 story by Harl Vincent, referring to the planet Mercury and the belief that it is tidally locked like the Moon, presenting one face to the sun:
"Mercury!"
"Larry! It has a terrible climate and is — oh — uncivilized. Besides, its government is unrecognized by
the Tri-planetary Alliance. We'd be exiles in an awful
land where we could never live in peace."
"Honey — listen ! It's just the opposite. I've a very
good friend, Chic Davis, who's captain of the Rocket
III, one of the Tri-planetarian liners. He tells me
Mercury is the finest of all the inhabited bodies. It's
terrifically hot on the side always toward the sun and
frigid on the other, but there's a narrow belt where the
climate is moderate — semi-tropical by earthly standards.
And it's not uncivilized, but highly cultured...
The huge blood-red disc of the sun shone hotly at the
horizon, its almost horizontal rays making of the city
a motley of sweltering high lights and dark shadows.
Rose tinted mists hung low over all, effectually obscuring the heavens above. It was always thus in Luzan,
the sun never leaving the horizon entirely, but circling
it once in every, eighty-eight earth days and alternately
rising to a point that exposed the lower rim of the
enormous disc, then sinking to a point where the topmost edge just peeped through the mists above the
undulating line of demarcation between land and sky.
Apparently, Mercury is tidally locked, but at a 3:2 ratio, so it does not present the same face to the sun.
See also terminator zone from Exiles of the Moon (1931) by Schachner and Zagat.
"...Where else is there to go-?"
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Additional
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More Ideas
and Technology from Foundation and Empire
More Ideas
and Technology by Isaac Asimov
Tech news articles related to Foundation and Empire
Tech news articles related to works by Isaac Asimov
Ribbon World-related
news articles:
- Habitable Planet Gliese 581g Is A 'Ribbon World'
- Could Aliens Shelter In 'Terminator Zones' on 'Ribbon World' Exoplanets?
| JAXA Int Ball 2 Coming Right Along As Star Wars Remote |
| Space Traffic Management (STM) Needed Now |
| Denmark Joins The 'Zero Debris Charter' To Clean Up Space |
| Starship Special Edition For Lunar Shuttle |
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'Hocus-pocus religions and archaic weapons are no substitute for a good blaster at your side.'
'Oscar picked up a trowel. 'I'm the tool for the mortar,' the little trowel squeaked cheerfully.'
'... he waited for the robotrix attendant to finish fueling up his ship.'
The Roujin Z system provides care to fully bedridden patients - and then some!
'Aerostat meant anything that hung in the air. This was an easy trick to pull off nowadays.'
'The Ringworld had no horizon. There was no line where the land curved away from the sky.'
'An adjustment panel outside the door would cause it to extrude various appurtenances in memory plastic...'
'Annealed in any shape for a time, and codified, the structure of that shape is retained down to the molecules.'
It's not really polite to tear the limbs off robots.
'...the imaginary companions discovered by needful children.'
