Spacewalking means going outside a spacecraft and floating in space while wearing a special suit.
Spacewalking is very exciting and dangerous. It is a big part of exploring space.
Examples:
The astronaut is spacewalking outside the spaceship.
Spacewalking is a hard job.
The spacewalking astronaut is fixing the satellite.
The spacewalking suit is very big and white.
I want to go spacewalking in the stars!
The spacewalking astronaut is like a superhero in space!