ELI5: Explain Like I'm 5

Electric sail

Okay kiddo, let me tell you about this thing called "electric sail." It's like a sail that helps a spaceship move in space, just like a real sail helps a boat move in water. But instead of wind, the electric sail uses particles called "charged particles" that are found in space. These particles hit a long wire that is stretched out from the spaceship, and this wire is connected to an electron gun.

When the charged particles hit the wire, they transfer their energy to the wire and help push the spaceship forward. This is how the electric sail propels a spaceship. Cool, huh?

But why do we need this sail? Well, some spaceships need a lot of fuel to move in space, and that makes them very heavy. But with the electric sail, we don't need as much fuel, and the spaceship can be lighter and travel further. Plus, we can use the electric sail to explore new places in space that were too far away before.

So, that's the electric sail in a nutshell. It's a special kind of sail that uses charged particles to help move a spaceship, and it can help us explore space better.
Related topics others have asked about: