What do astronauts feel when they return to Earth?
What do astronauts feel when they return to Earth? Astronauts feel something similar that can be more intense when they return to Earth from space. Once they land, their whole body – including muscles, bones, inner ear, and organs – starts readjusting to Earth's gravity. Astronauts often report feeling dizzy, lightheaded, nauseated, and off-balance upon their return.
Is 1 hour on Earth 7 years in space?
The time dilation on that planet—one hour equals 7 Earth years—seems extreme. To get that, you'd apparently need to be at the event horizon of a black hole. Yes. You can calculate where you must be to have that level of time dilation, and it's extreme.