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Interstellar Doppler Chirps

9010-018

  
    Microwave Visible
Wavelength   0.20 m 656 nm
Frequency   1.5 GHz 457 THz
  Velocity    
Transmitter on surface of rotating alien planet 0.46 km/s 0.17 Hz/s 51.4 kHz/s
Transmitter in synchronous orbit about alien planet 3.07 km/s 1.12 Hz/s 341 kHz/s
Extra-solar planet in orbit about alien star 29.8 km/s 0.03 Hz/s 9.05 kHz/s
Relative (radial) motion between alien star system and Sol 20.0 km/s ~ 0 Hz/s ~ 0 Hz/s

 

Alien star/planet system assumed similar to Sol/Earth.

 


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