Space-weather phenomenon

Aurora

The glow produced when energetic particles from the magnetosphere spiral down Earth's magnetic-field lines and excite gases in the upper atmosphere — the visible signature of space weather over the polar regions.

Environment & effects

Affects:Earth

Related:Geomagnetic Storm

Knowledge connections

AffectsEarth
Associated withGeomagnetic Storm
Associated withThe Ionosphere
Associated withAurorasaurus

Sources

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

NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.
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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