Planck

https://www.wikidata.org/wiki/Q725309

Field Hierarchy

Parent
Physics 31.7M papers	Quantum mechanics 13.1M papers	Astronomy 2.5M papers	Astrophysics 1.2M papers
Current
Planck 15.1k papers
Child
Black hole thermodynamics 4,927 papers	Micro black hole 3,018 papers	de Sitter–Schwarzschild metric 2,848 papers	de Sitter invariant special relativity 1,681 papers
Black hole information paradox 990 papers	Photon sphere 881 papers	BTZ black hole 794 papers	Ring singularity 692 papers
Penrose process 661 papers		Virtual black hole 470 papers

Trends

Notes

History