Artemis II

The fact that some humans have gone 2,000 miles further into space than anyone else makes me smile.
I mean 2,000 miles further into the infinite depths of space.....
Haha.
 
Is there a simple way of explaining how that's possible ?
They hit 20,000+mph because the Earth's gravity pulled them. As they returned the Earth's gravity gets stronger and they constantly accelerate towards it. There is no air or anything in space except gravity or the capsules thrusters to resist that acceleration so they keep speeding up until they hit the ground or something else is don to change it.

You yourself are being pulled towards Earth right now except obviously you can't be pulled through the ground (not true on all planets!). If there was no ground or any other resistive forces such as air resistance then you would accelerate at an increasing rate towards the centre of the Earth. Jump in the air and it pulls you down.

The Moon exerts its own gravity on us too. It's changing position and distance is what causes the tides on the sea.
 
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