Mathematical SETI

Part of the series Springer Praxis Books pp 449-469


KLT of radio signals from relativistic spaceships in uniform and decelerated motion

  • Claudio MacconeAffiliated withInternational Academy of Astronautics and Istituto Nazionale di Astrofisica Email author 

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It is well known that in special relativity two time variables exist: the coordinate time t, which is the time measured in the fixed reference frame, and the proper time \( \tau \), which is the time shown by a clock rigidly connected to the moving body.