no one has figured out that massive bodies indent spacetime. imagine a planet rotating around it's sun and creating a nice indented ring in spacetime. It's curve trails the planent but eventually fades away - never creating a full ring.
imagine a big sun, sort of indenting a large hole in spacetime that will exist after the sun dies.
or the massive and deep pits left by black holes. affecting spacetime long after the black hole.
Slashdot Mirror
no one has figured out that massive bodies indent spacetime. imagine a planet rotating around it's sun and creating a nice indented ring in spacetime. It's curve trails the planent but eventually fades away - never creating a full ring. imagine a big sun, sort of indenting a large hole in spacetime that will exist after the sun dies. or the massive and deep pits left by black holes. affecting spacetime long after the black hole.