The purpose of solar panels on satellites in BitLife is to generate electricity so the satellite can keep its systems running. In simple terms, they turn sunlight into power for things like communication, sensors, and other onboard equipment.

Quick answer

If you see this question in BitLife’s astronaut training, the best answer is usually: to convert sunlight into electrical energy and power the satellite.

Why it matters

Satellites need a steady power source in space, and solar panels let them operate without constantly relying on stored battery power. That’s why they’re a core part of how satellites work in the game and in real life.

If you want the shortest version

They power the satellite.

If you want, I can also give you a full list of BitLife astronaut training answers in the same style.