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## Main Question or Discussion Point

How can we visualize 4D spacetime and how gravity plays a role in 4D spacetime??

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How can we visualize 4D spacetime and how gravity plays a role in 4D spacetime??

Chris Hillman

Science Advisor

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This is a FAQ; did you try searching for previous PF threads? This very question was discussed as recently as a few days ago.How can we visualize 4D spacetime and how gravity plays a role in 4D spacetime??

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We can't visualise it we don't visualise in 4D. But here are models to help us understand.How can we visualize 4D spacetime and how gravity plays a role in 4D spacetime??

http://images.google.co.uk/imgres?imgurl=http://universe-review.ca/I11-05-emzyme.jpg&imgrefurl=http://universe-review.ca/F18-index.htm&h=358&w=700&sz=49&hl=en&start=1&tbnid=oFXjw1X514vC5M:&tbnh=72&tbnw=140&prev=/images?q=Modelling+time+and+space+minkowski&svnum=10&hl=en&sa=X

Choose gravity.

General realtivity/special relativity etc.

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