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Space doesn’t just change the view — it changes the human body. 👀🚀
After weeks or months in microgravity, astronauts return home with a system that’s been rewired for a world without weight. Their leg muscles shrink, blood shifts upward, and the heart learns to pump with less effort. But once they stand on Earth again, gravity hits like a force they haven’t felt in ages. Blood drops to the legs, pressure falls, and even a simple standing motion can cause dizziness or fainting.
It’s a reminder that space isn’t just a frontier of exploration — it’s a frontier of human adaptation. Every mission tests not just technology, but biology itself. And every step back on Earth is proof of how extraordinary the human body truly is. 🌍✨