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Earth is currently passing through the radioactive ash cloud of a supernova
Earth is currently passing through a cloud of radioactive debris from an ancient supernova. Traces of iron-60, an isotope ...
Cosmic rays seen at Earth show a wide range of particle energies, from 10 7 electron-volts (eV) to more than 10 20 eV, the latter being about the same as the kinetic energy of a 450 gram football ...
Cosmic rays raining down from exploded stars and variations in the Sun's magnetic activity can affect climate on Earth, claims a study. These high-energ ...
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