cosmic radiation

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cosmic radiation

A satellite in orbit measures cosmic radiation from deep space.

Definition
  1. Noun:
    • Radiation from space: "Cosmic radiation" refers to high-energy particles and electromagnetic waves that originate from outside Earth's solar system. This radiation constantly bombards Earth from various sources in the universe.
Usage
  • "Cosmic radiation" is an uncountable noun. It is used to describe the phenomenon as a whole, not individual particles.
  • It is often discussed in the contexts of astrophysics, space travel, and atmospheric science.
  • Example:
  • Example:
Examples
  • Noun:
    • The Earth's magnetic field provides some protection from cosmic radiation.
    • Measurements of cosmic radiation can help map the structure of our galaxy.
Advanced Usage
  • "Galactic cosmic radiation (GCR)": A specific term for the high-energy radiation originating from outside our solar system, primarily from supernova explosions.
    • Galactic cosmic radiation poses a significant challenge for long-duration human spaceflight.
  • "Anomalous cosmic radiation": Refers to a particular component of cosmic radiation with unusual properties.
    • The probe's mission was to investigate the source of anomalous cosmic radiation.
Variants and Related Words
  • Cosmic ray (n): Often used interchangeably with "cosmic radiation," though "cosmic ray" can specifically refer to the high-energy particles themselves.
    • A cosmic ray struck the detector.
  • Cosmic background radiation (n): The faint remnant glow of radiation from the Big Bang, a specific type of cosmic radiation.
    • The cosmic background radiation is a key piece of evidence for the Big Bang theory.
Synonyms
  • Space radiation: A more general term that can include radiation from the sun (solar radiation) as well as from deeper space.
  • Galactic radiation: Radiation originating from within our galaxy, the Milky Way.
Related Phrases
  • Shield from cosmic radiation: To protect against it.
    • The spacecraft's hull is designed to shield the crew from cosmic radiation.
  • Exposure to cosmic radiation: The state of being subjected to it.
    • Pilots on long-haul flights have a slightly higher exposure to cosmic radiation.
Related Concepts
  • Solar radiation: Radiation emitted by the Sun, which is distinct from cosmic radiation coming from outside the solar system.
  • Radiation belt: Regions around a planet, like Earth's Van Allen belts, that trap charged particles, some of which come from cosmic radiation.
cosmic radiation

A satellite in orbit measures cosmic radiation from deep space.

Noun
  1. radiation coming from outside the solar system