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Fig. 3


K2-110 b (solid cross, right) compared to other super-Earth and Neptunian planets (data from Han et al. 2014; Marcy et al. 2014). Mass-radius relations adapted from Zeng & Sasselov (2013) for 100%-Fe, Earth-like, 50%-water and 100% water compositions (dashed lines from bottom to top). A mass-radius relation for small exoplanets (Weiss & Marcy 2014) is also show (fine dashes).

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