A compilation was made of N = 89 planets or moons for which the mass and radius are known, between the limits of 0.01 and 10 times the mass of Earth. Although starting from a larger and higher-quality (because it excludes m sin i figures) sample than that of Weiss and Marcy (Astrophys J Lett 783:L6–L12, 2014), the chart of log density versus radius confirms the WM14 results: Density increases up to about 1.5 Earth radii and decreases for larger radii, probably as the planet retains hydrogen and helium on formation.
CITATION STYLE
Levenson, B. P. (2019). A Catalog of Smaller Planets. Earth, Moon and Planets, 122(3–4), 83–93. https://doi.org/10.1007/s11038-019-09523-6
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