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Sound Needs A Medium To Travel
- Sound needs a medium like air or water to travel because it propagates as pressure waves.
- In the vacuum of space, sound waves can't travel so communication must be transformed into radio waves.
Radio Waves Power Space Communication
- Radio waves are ideal for space communication because they can travel through the vacuum and interstellar dust.
- The ISS uses multiple radio bands to handle various communication simultaneously.
Joy Of Kids Meeting Astronauts Live
- Alexandria Perryman loves coordinating live audio between astronauts and kids during school talks.
- She finds joy seeing kids' faces light up when astronauts float across the screen.