+Planck Mass (m_P) is a unit of mass within the system of [Planck Units](/wiki/planck_units), marking the threshold where quantum gravitational effects dominate. It represents the unique scale where the fundamental constants of quantum theory and general relativity converge, hinting at the true nature of [spacetime](/wiki/spacetime) at its most fundamental level.
+## See also
+- [Planck Units](/wiki/planck_units)
+- [Planck Length](/wiki/planck_length)
+- [Planck Time](/wiki/plank_time)
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