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Participant |
TARTAGLIA, Angelo | |||||||
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Institution |
Politecnico di Torino - Corso Duca degli Abruzzi 24 - Torino - TO - Italy | |||||||
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Session |
PT3 |
Accepted |
Yes |
Order |
5 |
Time |
17:15 | 20' |
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Talk |
Oral abstract |
Title |
LAGRANGE: How To Measure The Angular Momentum Of The Galactic Dark Halo | |||||
| Coauthors | Tartaglia, Angelo | |||||||
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Abstract |
The idea of using four of the Lagrange points of the sun-earth system for measuring the gravito-magnetic field of the sun is presented and discussed. The proposal is based on the asymmetry in the times of flight of electromagnetic signals traveling in opposite directions along the same closed path in space; such asymmetry is due to the solar Lense-Thirring drag. Locating spacecrafts equipped with receiving/emitting facilities on board, in the L points would physically form the closed space path for the experiment. The advantage of using the Lagrange points is that they move together with the earth forming a "terrestrial" reference frame at the scale of the inner solar system. Such a reference frame could be used for a plurality of scientific purposes and for the autonomous positioning and guidance of space missions. |
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Pdf file |
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