Extragalactic cosmic ray Extragalactic cosmic ray Extragalactic cosmic rays are very-high-energy particles that flow into the Solar System from beyond the Milky Way galaxy. The energies these particles possess are in excess of 10 eV. Unlike solar or galactic cosmic rays, little is known about the origins of extragalactic cosmic rays. This is largely due to a lack of statistics: only about 1 extragalactic cosmic ray particle per square meter per year reaches the Earth's surface (see figure). There are many ideas about which processes may be responsible for cosmic rays with such high energies. In the 'bottom-up' approach, cosmic rays gain more
Hannah: From Dachau to the Olympics and Beyond Hannah: From Dachau to the Olympics and Beyond Hannah: From Dachau to the Olympics and Beyond is a Holocaust biography written by Jean Goodwin Messinger about Hannah Pence. The book gained notoriety when it was revealed that the entire story had been fabricated by Pence. Pence claims that during World War II, at the age of three, she was taken from her family of German Jews by the Nazis. She was forced into the Dachau concentration camp, where medical experiments were performed upon her and she was starved by the guards. After being rescued from the camp by American forces,