Barnard’s Star Planetary System May Be Filled with Water-Poor Rocky Worlds

Jul 16, 2026 - 16:00
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Barnard’s Star Planetary System May Be Filled with Water-Poor Rocky Worlds
An artist’s illustration of exoplanets orbiting Barnard’s star. Image credit: International Gemini Observatory / NOIRLab / NSF / AURA / P. Marenfeld.

A new analysis suggests the four sub-Earth exoplanets orbiting Barnard’s star -- the Sun’s nearest single-star neighbor -- are likely packed with the deep-Earth mineral periclase, stripped of their atmospheres and far too hostile to support life.

The post Barnard’s Star Planetary System May Be Filled with Water-Poor Rocky Worlds appeared first on Sci.News: Breaking Science News.

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