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Exoplanet caught speeding

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The masses of exoplanets have so far been inferred from the tiny gravitational pull they exert on the host stars. It is now possible to measure them from shifts in spectral lines arising from the planets' atmospheres.

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Figure 1: An exoplanet's Doppler signal.

References

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Authors and Affiliations

  1. Mercedes López-Morales is in the Department of Terrestrial Magnetism, Carnegie Institution of Washington, Washington DC 20015, USA. mercedes@dtm.ciw.edu,

    Mercedes López-Morales

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  1. Mercedes López-Morales
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López-Morales, M. Exoplanet caught speeding. Nature 465, 1017–1018 (2010). https://doi.org/10.1038/4651017a

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