Book Review: Aurora, by Kim Stanley Robinson

Book cover: 'Aurora,' by Kim Stanley RobinsonRecognize that book cover? No, I’m not referring to the whole thing — just to the idea: remind you of another science-fiction image of recent vintage?

I’ll tell you what it made me think of: this classic movie-poster shot, from Gravity. I’ve used a wallpaper-sized variant of that image as a computer desktop for several years now, which sharpens the point of the message: When you’re in space, you are really, really alone.

The main cast who populate the pages of Aurora aren’t quite as aware of their utter aloneness in space as viewers of that book cover are. True, they know they live in an interstellar spaceship, their mission’s purpose to populate a world beyond the solar system. They know the distance to their new home is vast — nearly eight light years — and the duration of their journey there likewise almost unimaginably long.

Oh, sure: how could they not know it, at least at an intellectual level? After all, when we first encounter these people, we’re seeing not the original passengers and crew, but their descendants six and seven generations removed: people who’ve never set foot on — or even seen — Earth. Their starship left the orbit of Saturn about one hundred sixty years ago. It takes only a single spacesuited trip out of an airlock — just a glance through a telescope — to tell them how isolated they are.

But the book-cover image of that starship deceives: the ship is big. I mean, forget Starship Enterprise-class big: really big. It consists of these main components:

  • The spine — that single central stem surrounded by the rings — is itself ten kilometers (six and a quarter miles) long.
  • The two outer rings: each torus-shaped outer ring (designated Ring A and Ring B) contains twelve “biomes” (about which, more shortly) — cylinders, each a kilometer in diameter and four kilometers long.
  • Six spokes connecting the spine to each ring: although their dimensions are is never specified, a seat-of-the-pants estimate would make the total diameter about eighteen to twenty kilometers. Thus, each spoke would be about nine to ten kilometers long (depending on various factors).
  • Two inner rings: these are purely structural in nature, serving to “lock” the outer rings to the spine.

Like I said: really big. And it’s populated not just by a couple hundred people, but by a couple thousand. On top of which are all the animals: Earth species which in some cases, yes, are raised as livestock, but in others are simply left feral. This ship is not just a starship; it’s an ark…

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