Mega-Earths May Be Less Massive Than They Look
BY:SpaceEyeNews. Mega-Earths seem to stretch the limits of what a rocky planet can become. These unusual worlds apparently contain more than ten times Earth’s mass,…
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Super-Earths
Compact Planet-Forming Disks Reveal Hidden Secrets
BY:SpaceEyeNews. Compact planet-forming disks are revealing details that astronomers could not previously see. New ALMA observations show rings, gaps, and cavities inside several tiny disks…