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The sizes are listed in units of Earth radii (R 🜨). All planets listed are smaller than Earth and Venus , up to 0.7 Earth radii . The NASA Exoplanet Archive is used as the main data source.
These lists contain the Sun, the planets, dwarf planets, many of the larger small Solar System bodies (which includes the asteroids), all named natural satellites, and a number of smaller objects of historical or scientific interest, such as comets and near-Earth objects.
Venus is similar in size and distance from the sun when compared with Earth, and some researchers believe the planet might have even had an Earth-like climate at some point.
The slightly smaller size of Venus means pressures are 24% lower in its deep interior than Earth's. [75] The predicted values for the moment of inertia based on planetary models suggest a core radius of 2,900–3,450 km. [74] This is in line with the first observation-based estimate of 3,500 km. [76]
The planet is about the size of Venus, so slightly smaller than Earth, and may be temperate enough to support life, the researchers said. Dubbed Gliese 12 b, the planet takes 12.8 days to orbit a ...
The planet planet orbits its host star every 12.8 days, and is comparable in size to Venus - so slightly smaller than Earth. It has an estimated surface temperature of 42C, which is lower than ...
Super-Earth: An extrasolar planet with a mass higher than Earth's, but substantially below the mass of the Solar System's smaller gas giants Uranus and Neptune, which are 14.5 and 17.1 Earth masses respectively. Kepler-10b: Sub-Earth: A classification of planets "substantially less massive" than Earth and Venus. Mercury
Two teams of scientists have discovered a theoretically habitable planet called Gliese 12b that’s smaller than Earth but bigger than Venus, just 40 light-years away.