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Science2 octobre 2019
© M. KORNMESSER / EUROPEAN SOUTHERN OBSERVATORY / AFPDécouvertes
La 9ème planète cachée du système solaire serait-elle un trou noir ?
Certains scientifiques prédisent qu'il sera très bientôt possible d'observer la planète 9, c'est-à-dire la neuvième planète du système solaire, dont l'existence est aujourd'hui encore théorique. Certains estiment qu'il pourrait s'agir d'un trou noir primordial.
La 9ème planète cachée du système solaire serait-elle un trou noir ?
avecOlivier Sanguy