X-ray

https://www.wikidata.org/wiki/Q34777

Field Hierarchy

Parent
Physics 33.6M papers	Quantum mechanics 13.6M papers	Optics 8.2M papers	Nuclear physics 2.1M papers
Current
X-ray 103k papers
Child
ROSAT 7,281 papers	X-ray optics 6,186 papers	X-ray astronomy 2,615 papers	K-alpha 112 papers

Trends

Notes

History