SYDNEY: Astronomers have found a new way to search for high-energy cosmic rays, the most energetic particles in the universe, by scanning the face of the Moon.
Cosmic rays stream through space and constantly bombard the Earth's atmosphere. They pose little threat to us on the planet's surface, but can cause electronic glitches in satellites in space and, in high doses, are dangerous for astronauts.
Ultra-high-energy cosmic rays, with energies exceeding 1020 electron volts, were first detected in 1962..........
