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A Soft Collision in the Early Solar System May Explain Mercury’s Giant Metal Heart

Mercury is tiny, barely bigger than the Moon. Its metallic core makes up 70% of the planet’s mass, vastly exceeding Earth’s ...
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The brown dwarf:Why this mysterious celestial body matters

SIMP-0136 is a strange celestial object somewhere between a planet and a star. Using the new space telescope, researchers have now spotted a curious phenomenon on this so-called brown dwarf. Dublin ...