Without a chimney, the astronauts on the space station left powdered milk and freeze-dried cookies in the airlock for Santa. Nah, nothing creepy about that.

Image credit: NASA/Terry Virts

The spacesuits on the International Space Station are a constant source of vaguely unnerving imagery. Sure, sometimes they're harmlessly playing air guitar, but more frequently they're looming in some dark corner.

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At least the inverted Christmas tree/stocking pair is a jolly combination?

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Image credit: NASA/Terry Virts