TY - JOUR AU - Fernández-Rañada, Antonio PY - 2012 DO - 10.1139/P2012-086 SN - 0008-4204 UR - https://hdl.handle.net/20.500.14352/44143 T2 - Canadian Journal of Physics AB - It is usually assumed that the t parameter in the equations of dynamics can be identified with the indication of the pointer of a clock. Things are not so simple, however. In fact, because the equations of motion can be written in terms of t but also... LA - eng M2 - 931 PB - Canadian Science Publishing, NRC Research Press KW - Outer Solar-System KW - Gravitational Origin KW - Secular Increase KW - Acceleration KW - Planets KW - Clocks KW - Gravity KW - Motions KW - Search KW - Energy. TI - Parametric invariance and the Pioneer anomaly TY - journal article VL - 90 ER -