Tag - Energetic

Highly Energetic Electrons Hit Earth from an Unusual Nearby Source

NASA/Goddard Space Flight Center Conceptual Image LabAstrophysicists have detected the highest-energy electrons ever recorded, raining down on Earth from a mysterious nearby source. These cosmic rays carry trillions of times the energy of visible light, suggesting they originate from a powerful source relatively close to our solar system.Earth is constantly bombarded by cosmic radiation,...