According to NASA, it costs approximately $10,000 to send one pound of payload into orbit. An adult gorilla costume on Amazon weighs 4.3 pounds. So this is a—roughly—$43,000 prank.

The ISS actually budgets for this sort of thing. Friends and family members of astronauts are allowed to send a certain amount of cargo up to the station, as it’s extremely important to keep morale up in outer space. You try living in a tube hundreds of miles from the planet’s surface.

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