Question

What do the following have in common: charcoal, sulfur, burning metal, welding, brake pads, and even burnt cookies?%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0AThey are all smells that exist only on habitable planets.%0D%0A%0D%0AThey are all smells that exist only on habitable planets.%0D%0A%0D%0AThey are all of Edwin Hubble’s favorite things.%0D%0A%0D%0AThey are all of Edwin Hubble’s favorite things.%0D%0A%0D%0AThey are all things that astronauts have claimed space smells like.%0D%0A%0D%0AThey are all things that astronauts have claimed space smells like.%0D%0A%0D%0AThey are all common things that one smells before a stroke.

Answer 1

They’re all smells astronauts have reported space (or the spacesuit/airlock after a spacewalk) smells like. Astronauts describe odors such as seared/burnt meat, hot metal, welding/gunpowder, ozone/sulfur, and similar scents caused by reactions of materials with atomic oxygen.