Protoplanetary nebula

https://www.wikidata.org/wiki/Q2035809

Field Hierarchy

Parent
Computer science 54.8M papers	Physics 31.7M papers	Astronomy 2.5M papers	Computer vision 2.1M papers
Astrophysics 1.2M papers	Stars 354k papers	Nebula 15.8k papers	Planetary nebula 10.9k papers
Current
Protoplanetary nebula 1,675 papers
Child
Bipolar nebula 607 papers

Trends

Notes

History