Image: Space.comAstronomers discover a giant, rocky 'mega-Earth' 23 times more massive than our planet
• Astronomers have discovered a "mega-Earth," a massive rocky planet approximately 23 times more massive than Earth. • Unlike typical planets of this size, which usually develop thick gaseous envelopes, this planet has remained predominantly rocky. • The discovery challenges current planetary formation models regarding the threshold at which a planet becomes a gas giant.
space.com









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