Topic

Nasa

2 facts

  • Space4 views

    Astronauts Can Grow Up To Two Inches Taller in Space

    Without the constant pull of gravity, the vertebrae in an astronaut's spine are no longer compressed, allowing the discs to expand slightly. This temporary increase in height reverts to normal upon returning to Earth, as gravity reasserts its influence.

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  • Space4 views

    Astronauts Say Space Smells Like Seared Steak, Hot Metal, and Welding Fumes

    Upon returning to the airlock after spacewalks, astronauts often describe a distinct, pungent aroma clinging to their suits, reminiscent of a metallic, smoky, and slightly sweet scent. This is thought to be caused by high-energy vibrations of ions in space.

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