... Credit Copyright: IceCube Collaboration , U. Wisconsin , NSF Explanation: From where do these neutrinos come? The IceCube Neutrino Observatory near the South Pole of the Earth has begun to detect nearly invisible particles of very high energy. Although these rarely-interacting neutrinos pass through much of the Earth just before being detected, where they started remains a mystery. ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: Antarctica . ...