The most likely scenario if you took your helmet off in space...
An astronaut mistakenly takes his helmet off while outside, his head implodes.
Joe takes off his helmet while in space and dies
A dead astronaut floats around in space with his face possibly fused to his helmet
spaceman dies from AIDS
Astronaut floating in space who died from AIDS.
Astronaut with AIDS
An astronaut was tested positive for space clamydia
Two astronauts in space about to have sex. One admits to the other that he has Space Chlamydia.
Doodle or Die is the game of "telephone" with drawing!