>>7053002oh look, dunning kruger effect
external layer of "cartboard"you see is micrometeroid shield. "golffoil" is heat insulation.
Pic related is how lander looks like without all external layers.
But lets assume you know better how to protect spaceship from being cooked from sunrays in enviroment where thermal convection doesnt occur and only way to get rid of heat is radiation. You made this athread after all. i will wait for you ranswer.
