Info: Class B Planet

In planetary classification, a class B geomorteus planet is a type of planet. This type of planet is usually very close to, and heated by, a parent star, featuring very little native geothermal energy. The atmosphere of these worlds is usually tenuous, and featureslittle or no chemically active particles. No lifeforms have ever been discovered on these planets. Mercury is an example of a class B geomorteus planet.
Young planets, Class B worlds are less than 10 billion years old. Their diameters range in size from 1,000 to 10,000 km. They are located in the hotzone region of a star's solar system. Their surfaces are partially molten and may feature active volcanoes with an overall high surface temperature. Their atmospheres, if any, are extremely tenuous, with few active gases. They almost never have life forms.
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