Hesperian

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

Field Hierarchy

Parent
Biology 35.7M papers	Physics 32.4M papers	Ecology 8M papers	Astronomy 2.5M papers
Astrobiology 718k papers	Mars Exploration Program 83.9k papers	Amazon rainforest 52.4k papers	Martian 31.1k papers
Amazonian 9,135 papers
Current
Hesperian 1,798 papers
Child

Trends

Notes

History