Hesperian

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

Field Hierarchy

Parent
Biology 36M papers	Physics 33M papers	Ecology 8.1M papers	Astronomy 2.7M papers
Astrobiology 843k papers	Mars Exploration Program 102k papers	Amazon rainforest 53.9k papers	Martian 35.7k papers
Amazonian 9,130 papers
Current
Hesperian 2,072 papers
Child

Trends

Notes

History