[RightWhale]

Earth is hollow with a miniature sun at the center. The entrance is at the north pole, and UFOs come from there.

[USFRIENDINVICTORIA]

Every Christmas, the aliens disguise one of the UFOs as a sled.

[Grateful One]

Earth is hollow with a miniature sun at the center. The entrance is at the north pole, and UFOs come from there.................

You just HAD to let it out, didn't you?