File:Mega-Earth radius-density plot 2026.png
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Summary
| Description |
English: Radius-density diagram of confirmed exoplanets from the NASA Exoplanet Archive as of March 2026, with radii below 5R⊕ and mass and radius measurements significant at better than 4σ. The best-fit Gaussian mixture model, described in Section 6, is shown by the purple contours and has been rescaled for visibility. The model approximately recovers the loci of super-Earths (tan), sub-Neptunes (green), and Neptune-like planets (blue). A fourth component contains planets that do not belong to those main groups, including the mega-Earths (red) and other high-density outliers (black). The observational mega-Earth class is indicated by the red arrows (Rp ≥ 2.1R⊕, ρp ≥ 5.5 g cm−3). As of March 2026, there are 13 confirmed mega-Earths. |
| Date | |
| Source | Modified from Figure 14 of https://arxiv.org/abs/2603.24682 |
| Author | Maxwell A. Kroft et al. (2026) |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:07, 29 March 2026 | | 4,200 × 2,400 (403 KB) | Nrco0e | Uploaded a work by Maxwell A. Kroft et al. (2026) from Modified from Figure 14 of https://arxiv.org/abs/2603.24682 with UploadWizard |
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