Attack of the Robot Zombie Pirates

This is a bit of silliness inspired by some ideas tossed around in the comments of Phil Plait's Bad Astononomy. The vampire gun comes from Some Canadian Skeptic. The escape capsule bobbed gently in the purplish ocean under a green sky. No wind blew, no foam-capped waves flecked the sea, but occasional bubbles broke the still surface, releasing brownish wisps of sulfur-stinking gas. The capsule was quite large, larger than many of the vessels that had plied these waters so many years before. It