What Happens to Astronauts’ Bodies in Space?

APS member and astronaut Jessica Meir, PhD, works in a microgravity environment on the International Space Station. Credit: NASA If I asked you where is up and where is down, you would most likely be able to identify it. This is because the Earth’s gravitational pull on your body makes it easier for you to … Continue reading What Happens to Astronauts’ Bodies in Space?