Why Does Space Smell Like Steak as Astronauts Claim

“Space may be a giant airless vacuum, but astronauts swear that it has an odor. Those who have sniffed the aroma liken it to burning metal, steak, and welding, “ “The first such results have already been made public, with the scientists confirming the detection of organic molecules on the comet’s surface. Not much is currently known – the scientists are still trying to fully disentangle the story of what has been observed – but the result is a tantalising glimpse of what is to come.“ What floats around in space that has these blood metals in it? What are Comets made of?