Natural History Museum of Denmark, Cryospheric Sciences Lab | GSFC | NASA, via ScienceNews
Source: The Clovis Comet and the Forging of Human Civilization as We Know it
Natural History Museum of Denmark, Cryospheric Sciences Lab | GSFC | NASA, via ScienceNews
Source: The Clovis Comet and the Forging of Human Civilization as We Know it