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The Bruce Murray Space Image Library

The radial velocity graph of 51 Pegasi

Filed under explaining science, extrasolar planets, optical telescopes

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The radial velocity graph of 51 Pegasi 51 Pegasi was the first exoplanet detected and confirmed. The points on the graph indicate actual measurements taken. The sinusoid is the characteristic shape of the radial velocity graph of a star rocking to the tug of an orbiting planet.

exoplanets.org

Original image data dated on or about January 1, 1995

 

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