The confrontation between General Relativity and experimental results, notably binary pulsar data, is summarized and its significance discussed. The agreement between experiment and theory is numerically very impressive. However, some recent theoretical findings (cosmological attraction toward zero scalar couplings) suggest that the present agreement between Einstein's theory and experiment might be naturally compatible with the existence of a scalar contribution to gravity. This provides a new theoretical paradigm, and new motivations for improving the experimental tests of gravity.
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Univ Salento, Dipartimento Ingn Innovaz, Lecce, Italy
Ctr Fermi, Rome, ItalyUniv Salento, Dipartimento Ingn Innovaz, Lecce, Italy
Ciufolini, I.
Monge, B. Moreno
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GFZ German Res Ctr Geosci, Potsdam, GermanyUniv Salento, Dipartimento Ingn Innovaz, Lecce, Italy
Monge, B. Moreno
Paolozzi, A.
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Univ Roma La Sapienza, Scuola Ingn Aerospaziale, I-00185 Rome, Italy
Univ Roma La Sapienza, DIAEE, I-00185 Rome, ItalyUniv Salento, Dipartimento Ingn Innovaz, Lecce, Italy
Paolozzi, A.
Koenig, R.
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GFZ German Res Ctr Geosci, Potsdam, GermanyUniv Salento, Dipartimento Ingn Innovaz, Lecce, Italy
Koenig, R.
Sindoni, G.
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Univ Roma La Sapienza, Scuola Ingn Aerospaziale, I-00185 Rome, Italy
Univ Roma La Sapienza, DIAEE, I-00185 Rome, ItalyUniv Salento, Dipartimento Ingn Innovaz, Lecce, Italy
Sindoni, G.
Michalak, G.
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GFZ German Res Ctr Geosci, Potsdam, GermanyUniv Salento, Dipartimento Ingn Innovaz, Lecce, Italy