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A new spin on exoplanets

Spectroscopic observations of a young exoplanet have allowed its spin velocity to be directly measured. Its fast spin is in accord with the extrapolation of the known trend in spin velocity as a function of planet mass. See Letter p.63

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Figure 1: Movement of exoplanet β Pictoris b around its host star.

Adapted from Ref. 2/AAAS & Ref. 8/ESO


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Correspondence to Travis Barman.

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Barman, T. A new spin on exoplanets. Nature 509, 41–42 (2014).

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