David Aguilar
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Christine Pulliam
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CfA Press Release Images

Two giant clumps of dust in the ring surrounding Vega may be signatures of an unseen planet orbiting the star in an eccentric orbit. Observations at millimeter wavelengths indicate that infalling dust is trapped in dynamical resonances by the gravitational influence of a planetary body. Such effects may offer an additional method of detecting and studying extrasolar planets to complement radial velocity programs. (Credit: Dr. David Wilner and David Aguilar, Harvard-Smithsonian Center for Astrophysics)

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