Previously unknown planets could be lurking at the edge of the solar system. Astrophysicist says unknown planets 'probably exist in the outer solar system' According to the theoretical astrophysicist's calculations, there could be 1.2 planets whose mass is five times greater than that of Mercury.
The results of his calculations were published on the specialist portal The Astrophysical Journal Letters.. As of: February 9, 2024, 6:21 a.m By: Kilian Bäuml CommentsPressSplit