Watch [this video](https://www.youtube.com/watch?v=wrwgIjBUYVc) actually, because it shows a better representation of what’s going on. The old ball-on-a-trampoline example uses gravity (Earth’s gravity) to explain the supposed gravity of the heavy bowling balls, and it’s just confusing.
What you’re seeing is not that gravity “sucks in” space, but rather a space and time deformation (because we’re constantly moving in time).
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