I think PBS space time does a good job explaining these things, but you’re right it doesn’t map to our understanding of how mass and space work in a Newtonian w

I think PBS space time does a good job explaining these things, but you’re right it doesn’t map to our understanding of how mass and space work in a Newtonian world. These videos give some explanation and link through internally to more details. https://youtu.be/bUHZ2k9DYHY https://youtu.be/bUHZ2k9DYHY https://youtu.be/bUHZ2k9DYHY https://youtu.be/bUHZ2k9DYHY