“Astronauts have consistently reported the same strange odor after lengthy space walks, bringing it back in on their suits, helmets, gloves and tools, It’s a bitter, smoky, metallic smell – like seared steak, hot metal and arc welding smoke all rolled into one.” says Sciencesoup.tumblr.com. … It’s believed that this smell is caused by high-energy vibrations in particles that mix with the air when brought inside. In the future, we might even be able to recreate the smell of the Moon, Mars, Mercury or any place in the universe, provided that we have the right chemical information. In fact, we can recreate the smell of the heart of the galaxy – astronomers searching for amino acids in Sagittarius B2, a vast dust cloud in the middle of the Milky Way have reported that because of a substance called ethyl formate, it smells and tastes of raspberries and rum.
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