Without the "i" in the topic header, my brain insists on inserting an "r" when I read it. So, I'm wondering if this theory is well baked?

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I say there is an invisible elf in my backyard. How do you prove that I am wrong?

Disclaimer: Avatar is not an official NASA image and does not imply any specific interplanetary or interstellar capability.

The Leif Ericson Cruiser