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Loading contentA rocky exoplanet orbiting so close to its star that its day side is hot enough to melt rock, covering it in a global magma ocean. Several known super-Earths, such as 55 Cancri e, are thought to be lava worlds, offering a natural laboratory for molten-rock chemistry.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
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