Astronauts In Constant Free Fall

Astronauts In Constant Free Fall. In fact, both the astronauts and the space station and all other things in orbit are constantly falling in exactly the same way as a rock falls to the ground when you. They experience weightlessness not because of a lack of gravity but because the iss, and they, are orbiting earth in constant free fall, says valerie neal, curator of space history.

In a vacuum, gravity causes all. To find out exactly how this works, check out the full explanation below, starting with part 1.