Thermal Protection System
The blackness of space and a blue and white Earth form the backdrop for the image of the underside of the shuttle's nose cone, with part of the P1 truss on the left side of the space station and a solar array visible in the background

The underside of a space shuttle is covered with the tiles that make up the thermal protection system. Image Credit: NASA

      a system used to protect the space shuttle or other spacecraft from temperatures that are too hot or too cold

The Thermal Protection System protects the shuttle so it can return to Earth safely.

When you put on a coat, you are putting on a thermal protection system.

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