Fiction: High Orbit

This story has one purpose: to build on this entry to demonstrate how a space battle might actually play out. It has the thinnest of plots and the flattest of characters. My goal was to be as “hard” in the science as possible, at least conceptually–not that I can’t perform the necessary orbit calculations (see, e.g., this) but to show that a writer need only know some basic concepts, and could then use them for dramatic effect.

Anyway, I hope it’s entertaining.

(A hearty “thank you!” to the readers over at Gizmodo, some of whose comments on this article helped shape bits of this story.)

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New exoscapes!

Well, while I’m still riding the Internet-fame explosion from my last post, I’m just going to throw out there that I think this is much cooler:

Solar Reflections off a Titanian Lake

Anyway, on my new To Do list are:

  1. Finish short story based on the hard-science space battle concepts (and thank you to all the comments!)
  2. Sketch models of the starfighters for said story now that I’m decent in SketchUp
  3. Write more Cathedral Galaxy stories

thoughts on space battles

I had a discussion recently with friends about the various depictions of space combat in science fiction movies, TV shows, and books. We have the fighter-plane engagements of Star Wars, the subdued, two-dimensional naval combat in Star Trek, the Newtonian planes of Battlestar Galactica, the staggeringly furious energy exchanges of the combat wasps in Peter Hamilton’s books, and the use of antimatter rocket engines themselves as weapons in other sci-fi. But suppose we get out there, go terraform Mars, and the Martian colonists actually revolt. Or suppose we encounter hostile aliens. How would space combat actually go?

First, let me point out something that Ender’s Game got right and something it got wrong. What it got right is the essentially three-dimensional nature of space combat, and how that would be fundamentally different from land, sea, and air combat. In principle, yes, your enemy could come at you from any direction at all. In practice, though, the Buggers are going to do no such thing. At least, not until someone invents an FTL drive, and we can actually pop our battle fleets into existence anywhere near our enemies. The marauding space fleets are going to be governed by orbit dynamics – not just of their own ships in orbit around planets and suns, but those planets’ orbits. For the same reason that we have Space Shuttle launch delays, we’ll be able to tell exactly what trajectories our enemies could take between planets: the launch window. At any given point in time, there are only so many routes from here to Mars that will leave our imperialist forces enough fuel and energy to put down the colonists’ revolt. So, it would actually make sense to build space defense platforms in certain orbits, to point high-power radar-reflection surveillance satellites at certain empty reaches of space, or even to mine parts of the void. It also means that strategy is not as hopeless when we finally get to the Bugger homeworld: the enemy ships will be concentrated into certain orbits, leaving some avenues of attack guarded and some open. (Of course, once our ships maneuver towards those unguarded orbits, they will be easily observed – and potentially countered.)

Now, let’s talk technology.

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