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An Earth-sized rogue planet discovered in the Milky Way – Phys.org

Our galaxy may be teeming with rogue planets, gravitationally unbound to any star. An international team of scientists, led by Polish astronomers, has announced…

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Our galaxy may be teeming with rogue planets, gravitationally unbound to any star. An international team of scientists, led by Polish astronomers, has announced the discovery of the smallest Earth-sized free-floating planet found to date.
Over 4,000 extrasolar planets have been discovered to date. Although many of the known exoplanets do not resemble those in our solar system, they have one thing in commonthey all orbit a star. However, theories of planet formation and evolution predict the existence…

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