Hesperian

https://www.wikidata.org/wiki/Q391388

Field Hierarchy

Parent
Biology 36.7M papers	Physics 33.6M papers	Ecology 8.3M papers	Astronomy 2.8M papers
Astrobiology 854k papers	Mars Exploration Program 103k papers	Amazon rainforest 55.3k papers	Martian 36k papers
Amazonian 9,320 papers
Current
Hesperian 2,084 papers
Child

Trends

Notes

History