Question:
How is the Sun's curvature of Spacetime Like?
anonymous
2006-08-18 03:11:16 UTC
We all know that anything that has mass warps spacetime.. Now when we refer to our solar system, the planet's orbits are explained using relativity. That the force of gravity of the Sun is just following the path of the curvature of spacetime around it. So far so good when observing planetary motion.

But since the warping of the fabric of the cosmos is visualised as a bent ( a cone like shape- with it's mouth opening at the top ) with the object that causes the affect being in the bottom of the cone, what exists below that object? If some kind of comet or any other object approaches the Sun from underneath the cone ( i know there is no clear direction when you are out there) the cone won't it still be caught by the cone's warp? How though? The opening is on the opposite side.
2. Since the planet's orbits are explained by the 3d shape of a cone causing them to move around the sun how is the Spherical Oort Cloud explained usind the curvature of spacetime of the Sun
Three answers:
anonymous
2006-08-18 03:18:50 UTC
you are picturing the space/time fabric in our 3 dimensions. this is a common error, try to see our universe as flat and the space/time as the 3rd dimension.



trying to picture it further will give you a headache.....
Steve D
2006-08-18 03:19:14 UTC
You are taking the gravity well graphic to a place it doesn't work...



That image is just that an image. There is no opening on one end and nothing on the other.



It just means an object close to the sun has to work to escape the effects of the gravity of the sun... and that includes light.
John S
2006-08-18 05:54:40 UTC
the cone shape is only a concept to explain the warping of the 'fabric' of space. the greater the gravity , the greater the warping of space.


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