Imagine sending a message like a paper airplane. If you throw it across the room, it lands right there. But if you throw it to the moon, it has to travel a really long way, and we need something like a super strong whisper to make sure it arrives clearly.
Examples
- If you use a megaphone, your voice carries farther, that's how we send messages through space more clearly.
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See also
- How Can You Hear Music from Space?
- Why Can't We Just Send Messages Across the Universe?
- Radio Wave Propagation Basics - Where do Signals Go - and How?
- How does Wi-Fi transmit data wirelessly using radio waves?
- How Does a Simple Button Make a Phone Ring?