2. Suppose two astronauts were outside of the space shuttle orbiter while orbiting Earth. The audio speaker in the helmet of one of the astronauts quits working. The other astronaut is only one meter away, so she shouts a message to him. Can he hear her? Explain.
Don’t click that link. But the answer would be no. That is because there is no matter in space, which means the sound can’t travel. Sound waves are literally vibrations between molecules, and in space there is no molecules, therefore no sound
