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Wow! signal

The Search for Extraterrestrial life

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The Search for Extraterrestrial Life Rafael Almanzar We will talk about the steps being taken currently to find life outside of our solar system. 1 Three Steps Search for Exoplanets SETI Space Rover Official message from white house website. 2 Search for Exoplanets Radial Velocity or Doppler Method Transit Method Transit Timing Variation (TTV) Doppler Method: As a planet orbits a star, the star also moves in its own small orbit around the system's center of mass. Variations in the star's radial velocity?? that is, the speed with which it moves towards or away from Earth?? can be detected from displacements in the star's spectral lines due to the Doppler effect.
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