Space-time is curved in the neighborhood of material masses, but it is not clear whether the presence of matter causes the curvature of space-time or whether this curvature is itself responsible for the existence of matter.


The Structure of the Universe: An Introduction to Cosmology (1949)


Space-time is curved in the neighborhood of material masses, but it is not clear whether the presence of matter causes the curvature of space-time or ...

Space-time is curved in the neighborhood of material masses, but it is not clear whether the presence of matter causes the curvature of space-time or ...

Space-time is curved in the neighborhood of material masses, but it is not clear whether the presence of matter causes the curvature of space-time or ...

Space-time is curved in the neighborhood of material masses, but it is not clear whether the presence of matter causes the curvature of space-time or ...