"Galileo Galilei" (GG) a Small Satellite to Test the Eqivalence Principle of Galileo, Newton and Einstein
- Nobili, A.M.
- Comandi, G.L.
- Doravari, S.
- Bramanti, D
- Kumar, R.
- Maccarrone, F.
- Polacco, E.
- Turyshev, S.G.
- Shao, M.
- Lipa, J.
- Dittus, H.
- Lämmerzahl, C.
- Peters, A.
- Müller, J.
- Unnikrishnan, C.S.
- Roxburgh, I.W.
- Brillet, A.
- Marchal, C.
- Luo, J.
- van der Ha, J.
- Milyukov, V.
- Iafolla, V.
- Lucchesi, D.
- Tortora, P.
- De Bernardis, P.
- Palmonari, F.
- Focardi, S.
- Zanello, D.
- Monaco, S.
- Mengali, G.
- Anselmo, L.
- Iorio, L.
- Knezevic, Z.
DOIAbstract
"Galileo Galilei" (GG) is a small satellite designed to fly in low Eath orbit with the goal of testing the Equivalence Principle - which is at teh basis of the General Theory of Relativity - to 1 part in 10^17. If successfull, it would improve current laboratory results by 4 order of magnitudes. A confirmation would strongly constrain theories; proof of violation is believed to lead a scientific revolution. The experiment design allows it to be carried out at ambient temperature inside a small 1-axis stabilized satellite (250 kg total mass). GG is under investigation at Phase A-2 level by ASI (Agenzia Spaziale Italiana) at Thales Alenia Space in Torino, while a laboratory prototype (known as GGG) is operational at INFN laboratories in Pisa,...
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