NASA’s heat-dispersant ceramic heat shields are engineered to protect spacecraft during the extreme temperatures of atmospheric entry. These shields use specialized ceramic tiles and ablative materials that can withstand temperatures over 1,200–1,600°C while remaining lightweight. Ceramic tiles—such as the silica tiles on the Space Shuttle—work by trapping air in a porous structure, which makes them excellent insulators and allows heat to disperse slowly instead of penetrating deeper into the ve

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