Planets / Size Comparison (V2)

The smallest known exoplanet is Kepler-42d, and the largest known exoplanet is HAT-P-32b:
Kepler-42d: The smallest known exoplanet, with a radius of 0.051 R J or 0.57 R 🜨. It also has a mass of less than 0.003 M J or 0.9 M E.
HAT-P-32b: The largest known exoplanet, with a radius of 2.037 R J.
Here are some other exoplanets with notable characteristics:
Kepler-37b: Discovered by NASA's Kepler mission, this planet is slightly larger than our moon and about one-third the size of Earth.
KELT-1b: The most massive transiting exoplanet, with a mass of 27.23 M J.
CoRoT-3b: The densest transiting exoplanet, with a density of 26.4 g/cm3.
Kepler-12b: The diffusest transiting planet, with a density of only 0.111 g/cm3
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