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gr-qc2003
Local Cosmology
Ll. Bel
We define the concept of a Maximally symmetric osculating space-time at any event of any given Robertson-Walker model. We use this definition in two circumstances: i) to approximat…
gr-qc2003
Eppur, si muove !
Ll. Bel
Simple ideas that shed new light on the physics of rotation as it concerns two famous experiments: The Wilson and Wilson, and the Michelson and Morley experiments.