Astronomers have observed a particle from space with an extremely high energy. The scientists named it ‘Amaterasu’, after the Japanese sun goddess. It is the most powerful cosmic ray ever observed since the so-called ‘Oh-My-God particle’. And what makes the story even more mysterious: the astronomers have no idea what Amaterasu hurled to Earth.
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“What the heck is going on?”: Discovery of the most powerful cosmic ray since ‘Oh-My-God particle’ surprises scientists
