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
The primary and reference sources this topic draws on.
- 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).