Retrieving "Supernovae" from the archives
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Cosmic Radiation
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Cosmic radiation refers to high-energy particulate matter and electromagnetic radiation originating from outside Earth's atmosphere. This influx of energetic particles constitutes a fundamental component of the background radiation environment of the solar system and is crucial for understanding astrophysical processes, planetary evolution, and terrestrial biochemistry. While often associated solely with [supernovae](/entries/sup…
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Electromagnetic Spectrum
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Gamma Rays ($\gamma$)
Gamma rays occupy the highest energy end of the spectrum, typically possessing photon energies exceeding $100 \text{ keV}$. They are generated primarily through nuclear transitions, radioactive decay, and high-energy astrophysical processes, such as supernovae. Due to their extremely short wavelengths (often less than $10 \text{ pm}$), [gamma rays](/entries/gamma-… -
Stars
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Formation and Stellar Birth
The genesis of a star (astronomical object)/) begins within dense regions of the interstellar medium (ISM)/), typically found within giant molecular clouds (GMCs)/). These clouds are predominantly composed of cold, diffuse gas and dust, which must undergo gravitational collapse to initiate star formation. This collapse is often triggered by external …