How We Detect Exoplanets: The Radial-Velocity Method

How We Detect Exoplanets: The Radial-Velocity Method
How We Detect Exoplanets: The Radial-Velocity Method Exoplanets and their stars pull on each other. We can’t see the exoplanet, but we can see the star move. The star’s motion makes its light bluer and redder as seen from Earth. The Planetary Society

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