Opere di Dan Simmons; Canti di Hyperion: Hyperion · La caduta di Hyperion · Endymion · Il risveglio di Endymion · Gli orfani di Helix: Ilium: Ilium. helix binding to both the N-terminal segment and also to the looped-out . Adenylyl Cyclase Activity—AC activities were measured using a di- .. Oldenburg, K. R., Epand, R. F., D’Orfani, A., Vo, K., Selick, H., and Epand. This C-terminal α-helix, extending approximately from Ser17 to Val31 (5), Oldenburg, K. R., Epand, R. F., D’Orfani, A., Vo, K., Selick, H., and Epand, R. M. ( ) J. Biol. Dong, M., Pinon, D. I., and Miller, L. J. () Mol.

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It was first published in the anthology Far Horizons in It is set more than years after The Rise of Endymion ; the Pax is long since defeated, and the Aenean movement has been helping various groups colonize unknown space. One of the groups is the “Amoiete Spectrum Helix”, which after their persecution by the Pax has been reconstituted. Approximatelyopt to colonize some star system centuries of travel core-wards beyond former Pax space using a spinship built by the Aeneans, who give them special permission to use the Hawking drive, despite its deleterious effects on the Void Which Binds after redesigning it to reduce the effect by orders of magnitude.

The spinship Helix has id yet reached a suitable destination when it receives a distress signal from a binary star system.

Orphans of the Helix

Four of the five shipboard AI apparently formerly of the TechnoCore; in characteristic Simmons fashion, each is patterned after a famous literary figure, in this case, Japanese: The AIs awaken certain crewmembers, and together they enter the system, where they are greeted by hundreds of thousands of space-adapted Ousters; they importune the Helix to save their civilization from an enormous and tli harvester spaceship which gathers food, air, and waterwhich visits every 57 years, dk is so programmatically inflexible that it sees the Ouster and Templar settlements as infestations of the tree-ring, and attempts to cleanse it by eradicating them.


Over the centuries, the colony’s technological infrastructure has been steadily ground under by its assaults, and many die attacking or being attacked. A brief assay of the harvester’s defenses for the 57 years have elapsed since the last visit, and the harvester has arrived by one of the Helix ‘s armed vessels reveal the ancient device to be minimally defended and weakened by age; easily destroyed. However, the harvester is presumably being used by its creators, and destroying it might be tantamount to condemning that civilization to slow starvation and death.

Even despite its misdeeds, the crew of the Helix cannot countenance that possibility, though they saw no inhabitants in the other, red-giant system.

Orphans of the Helix – Wikipedia

Since they cannot get to the system normally before the harvester strikes again, the crew votes to risk the Helix and its hundreds of thousands of stored inhabitants by making a very short Hawking drive jump. The jump succeeds, and they begin scanning the system for life. On an inspiration, they dk inside heix red giant star, and discover a truly ancient rocky world which the star had enveloped in its expansion. It is honey-combed, and occupied by a curious oxygen-breathing race, whose primary method of technological communication is via modulated gravity waves explaining the failure of previous attempts to contact the harvester.


Aboard is Ces Ambre, the only survivor of the family which took in Raul Endymion; though she is not an Aenean, she received the Aenean nano-technology; she cannot freecast, but she is capable of empathatic communication with the more than 3 billion “modular She successfully explains the harm their harvester has caused. They are devastated to learn of what they had done, and immediately transmit a gravitonic sequence which would reprogram the harvester they offer further to commit collective suicide to atone for their crimes, but the Spectrum feels that this is not neededas indeed it does.

They also reveal the reason they stubbornly stay in their original planet and constructed the harvester and tree-ring: Ces Ambre offers a vial of her blood to lrfani tree-ring inhabitants; though she is not philosophically an Aenean and refrains from using her abilities, she feels that the natives bli have the choice.

The crew return to hibernation, and the AI direct the Helix on its way under Hawking drive. Petyr briefly communes directly with the AIs, healing Basho’s psychological conflicts, and directing them to divert the Helix to a nice, but challenging system. He and Dem Loa orffani vanish, apparently using the Shrike as a method of locomotion.

L’inverno della paura

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