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Asteroseismic Detection of Exoplanets

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Multiple Choice

What is the fundamental principle behind asteroseismic detection of exoplanets?

  1. Exoplanets cause variations in a star's luminosity.
  2. Exoplanets induce perturbations in a star's pulsation frequencies.
  3. Exoplanets alter the star's surface temperature.
  4. Exoplanets create distortions in the star's magnetic field.