Astronomers discover a giant, rocky 'mega-Earth' 23 times more massive than our planet
📍 Aftermath
{ "epilogue": "Astronomers discovered a rare rocky exoplanet named Gliese 523b, or GJ 523b, which is 23.5 times more massive than Earth. The discovery baffled scientists because standard planet-formation models struggle to explain its dense, rocky composition and lack of a massive hydrogen-helium envelope.
Consequently, researchers were left with questions regarding how such an unusual alien world could form." }
Epilogue added 54m ago, after coverage quieted.
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"Astronomers discover a giant, rocky 'mega-Earth' 23 times more massive than our planet" developed substantial multi-source reporting across the Science sector, tracked across 11 distinct newsrooms by Newsylist.
Key reporting was led by Sci.News, BBC Sky at Night Magazine, Newsweek and Yahoo. Coverage velocity and cross-outlet momentum were measured using Newsylist open coverage telemetry.
Synthesized from multi-source international reporting and live coverage telemetry under Newsylist open intelligence methodology.
Synthesized by Newsylist from the headlines below under a strict no-invention contract. ✓ fact-checked: all claims supported by sources Updated 1h ago.
Sources (12)
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Astronomers discover a giant, rocky 'mega-Earth' 23 times more massive than our planet Space · 30d ago broke it first
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