Astronauts do not need sunscreen in space because their advanced spacesuits and spacecraft windows are designed to block harmful UV radiation. These engineered protections, rather than topical lotions, ensure safety from the Sun's harsh rays during extravehicular activities and inside habitats. A rare suit tear did cause one astronaut sunburn, highlighting the critical role of this technology.from Science News: Fresh Discoveries, Research & Breakthroughs https://ift.tt/ME9Pk0c
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