Hesperian

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

Field Hierarchy

Parent
Biology 34.8M papers	Physics 31.7M papers	Ecology 7.8M papers	Astronomy 2.5M papers
Astrobiology 703k papers	Mars Exploration Program 83.2k papers	Amazon rainforest 50.2k papers	Martian 30.8k papers
Amazonian 8,777 papers
Current
Hesperian 1,812 papers
Child

Trends

Notes

History