The astronauts feel weightless in the International Space Station, which orbits the Earth once every 90 minutes. Why?
A) Because there is no gravity in space
B) Because they are moving so fast
C) Because the gravity from the Moon cancels out the gravity from Earth
D) Because they are falling around the Earth

Question

Quizplus · Accepted Answer

The astronauts feel weightless in the International Space Station because they are falling around the Earth. In space, there is still gravity, but the ISS and everything inside it are in a constant state of free fall towards the Earth, giving the sensation of weightlessness. The speed of the ISS helps to maintain this perpetual state of free fall.

The Astronauts Feel Weightless in the International Space Station, Which