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Approximate size comparison of HD 40307 g with Earth. Discovery; ... Star: HD 40307: ... The planet was discovered by the radial velocity method, ...
The size of solid bodies does not include an object's atmosphere. For example, Titan looks bigger than Ganymede, but its solid body is smaller. For the giant planets , the "radius" is defined as the distance from the center at which the atmosphere reaches 1 bar of atmospheric pressure.
The star and related planetary system are located 105 light years away, in the constellation Coma Berenices. Masses of all six of the planets in the system range from 3.9 M ⊕ (mass of Earth) to 8.5 M ⊕. All of the planetary orbits in the HD 110067 system are closer to their star than distance between the planet Mercury and the Sun. [3] [4]
The following well-known stars are listed for the purpose of comparison. Antares (α Scorpii A) 680 [68] AD Fourteenth brightest star in the night sky. [69] Widely recognised as being among the largest known stars. [19] Betelgeuse (α Orionis) 640, [70] 764 +116 −62, [71] 782 ± 55 [72] AD & SEIS Tenth brightest star in the night sky. [69]
The sizes are listed in units of Jupiter radii (R J, 71 492 km).This list is designed to include all planets that are larger than 1.6 times the size of Jupiter.Some well-known planets that are smaller than 1.6 R J (17.93 R 🜨 or 114 387.2 km) have been included for the sake of comparison.
Size comparison of the two known planets of HD 21749 ... The outer planet, HD 21749 b, orbits the star at a distance of 0.21 AU with a period of 35.6 days.
This template is to show size comparison of Jupiter, ... So the option to compare the planet to Earth is possible. ... Size comparison Jupiter HD 209458 b ...
The planet-star radius ratio is 0.05158 ± 0.00077. [17] Currently what limits more precision on HD 149026 b's radius "is the uncertainty in the stellar radius", [18] and measurement of the stellar radius is distorted by pollution on the star's surface. [19]