The most common type of planet in the galaxy may not look anything like Earth on the inside The familiar concept of a planetary core, a small, dense metallic heart we take for granted, may be the exception rather than the rule for exoplanets. Astrobitica May 24, 2026 (Last updated: May 24, 2026) 1 minute read The familiar concept of a planetary core, a small, dense metallic heart we take for granted, may be the exception rather than the rule for exoplanets. About the Author Astrobitica Administrator Visit Website View All Posts This post was originally published on this site Post navigation Previous: The Sky Today on Sunday, May 24: Egeria slides on byNext: Lunar Strike offers a pessimistic, and worryingly realistic look at the future of space travel
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