Geomagnetic index · S1–S5

NOAA S-Scale (Solar Radiation Storms)

NOAA's five-level scale for solar radiation (energetic-particle) storms, from S1 to S5, describing the radiation hazard to astronauts, high-altitude flights, and spacecraft.

Environment & effects

Related:Solar Energetic Particles (SEP)

Knowledge connections

Associated withSolar Energetic Particles (SEP)
Associated withSolar Energetic Particles (SEP)
Associated withAviation

Sources

Facts on this topic will be cited from these primary and reference sources.

NOAA Solar CalculatorNOAA Global Monitoring Laboratory
Public-domain solar-position geometry: sunrise, sunset, solar noon, twilight, declination, and the equation of time.
Public domain (US Government work).

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