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space-time: Quick Facts

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Physicist claims time travel can only take us to the future • Nov. 8, 2026, 1:26 AM ET (Euronews)

Facts

Also Known As four-dimensional space • space-time continuum

Photos and Videos

A grid representing spacetime is distorted by three spheres of different sizes, illustrating how massive objects curve spacetime according to general relativity.
Know the different kinds of dimensions and how they are different from one another
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Related Topics and References

Topics
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Key People

Portrait of Albert Einstein in a suit and tie, looking slightly to the side with a neutral expression.
Albert Einstein
German-American physicist
Stephen Hawking, 2007
Stephen Hawking
British physicist
An artist's representation of Penrose tiling
Roger Penrose
British mathematician
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Hermann Minkowski
German mathematician
Samuel Alexander, chalk drawing by Francis Dodd, 1932; in the National Portrait Gallery, London
Samuel Alexander
British philosopher
Sir Frank Dyson, 1927.
Sir Frank Dyson
British astronomer

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