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.