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| | Greg Bear: Hegira - an infinity plus review |
 | | These structures, "a thousand kilometres tall, a kilometre across each side and as perfectly square as anyone could measure," record the histories, philosophies, and sacred texts of the First-Born; because no-one has ever been able to ascend higher than ten kilometres by balloon, only a fraction of what the Obelisks record has ever been read. |
 | | Third, the 'Big Dumb Object' story (think Rendezvous with Rama), in which the technical, motivational, even ontological riddles posed by the existence of an anomalous object provide the story's main interest. |
 | | In this case, the world, which is three-quarters of a million miles in circumference yet has earth-normal gravity, seems impossible given the laws of physics which we know. |
| www.infinityplus.co.uk /nonfiction/hegira.htm (741 words) |
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