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I run the numbers and come up with an answer I don’t like. The gravity in this room is too high. It’s 15 meters per second per second when it should be 9.8. That’s why things falling “feel” wrong to me. They’re falling too fast. And that’s why I’m so weak despite these muscles. Everything weighs one and a half times as much as it should.
On the edge of the conical walls is another hatch. This one is less mysterious, though. It has the word AIRLOCK stenciled across the top, and the hatch itself has a round window in it. Through the window I can see a tiny chamber—just big enough for one person—with a spacesuit inside. The far wall has another hatch. Yup. That’s an airlock.
Well, I say “his hand,” but maybe it’s her hand. Or some other pronoun I don’t have a word for. They might have seventeen biological sexes, for all I know. Or none. No one ever talks about the really hard parts of first contact with intelligent alien life: pronouns. I’m going to go with “he” for now, because it just seems rude to call a thinking being “it.”
No more pantomime. It’s time to learn Eridianese. Yes, I just made up that word. No, I don’t feel bad about it. I’m doing a lot of things for the first time in human history out here and there’s a lot of stuff that needs naming. Just be glad I don’t name stuff after myself.
Nitrogen is utterly harmless and nearly inert in its gaseous state. It’s usually content to be N2, which barely wants to react with anything. Human bodies ignore the stuff despite every breath being 78 percent nitrogen. As for Erid, their atmosphere is mostly ammonia—a nitrogen compound. How could a panspermia event ever seed Earth and Erid—two nitrogen-riddled planets—if a tiny amount of nitrogen kills that life? Well, the answer to that is easy: Whatever the life-form was that caused the panspermia, it didn’t have a problem with nitrogen. Taumoeba, which evolved later, does.