cosmic ray

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A high-energy particle that originates in outer space.

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Examples (20)

  • Scientists use massive detectors to observe the effects of a single cosmic ray.
  • Scientists study cosmic rays to understand the universe's most extreme phenomena.
  • The origin of the most energetic cosmic rays remains one of the biggest mysteries in astrophysics.
  • The Earth's atmosphere protects us from most cosmic rays.
  • When a cosmic ray collides with an atom in the atmosphere, it creates a cascade of other particles.
  • High-altitude balloons are used to detect cosmic rays before they interact with the atmosphere.
  • The Earth's magnetic field deflects many of the less energetic cosmic rays.
  • Exposure to cosmic rays is a concern for astronauts on long space missions.
  • Astronauts on long-duration missions must be shielded from the constant bombardment of cosmic rays.
  • Supernovae are believed to be a primary source of cosmic rays.
  • Studying cosmic rays helps us understand extreme phenomena like supernovae and black holes.
  • The detection of a single cosmic ray can provide valuable data.
  • The discovery of the positron was a direct result of studying cosmic ray showers.
  • Particle accelerators on Earth attempt to replicate the energy of cosmic rays.
  • The data suggests this high-energy particle was indeed a cosmic ray from a distant galaxy.
  • The Van Allen belts trap some cosmic rays, protecting the inner atmosphere.
  • A new telescope array will attempt to map the sources of cosmic rays across the sky.
  • Understanding the origin of cosmic rays is a major goal in astrophysics.
  • A cosmic ray is not actually a ray, but a high-speed atomic nucleus or particle.
  • Sensors on the International Space Station continuously monitor cosmic ray activity.