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الراي
Source: الراي
8 Hrsالراي
Source: الراي
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Astronomers have found potential evidence for the existence of the first "second-generation" planet, which forms from the remnants of a star after it has become a white dwarf, in a system located about 270 light-years away. Data shows that this candidate planet orbits the white dwarf every 4.4 days and bears traces of heavy elements like neodymium on its surface, indicating it was formed from leftover stellar material resulting from the star’s death. The formation of this planet largely relies on the hypothesis that material resulting from the star’s disintegration creates a disk around the white dwarf, allowing a new planet to form after the star’s demise—this aligns with the "second-generation planet" concept. However, researchers emphasize that current evidence is insufficient to confirm the discovery definitively, and the candidate still requires further studies.
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