
Aurora - Wikipedia
Auroras are the result of disturbances in the Earth's magnetosphere caused by enhanced speeds of solar wind from coronal holes and coronal mass ejections. These disturbances alter the trajectories …
Auroras - NASA Science
Feb 4, 2025 · Auroras are vibrant light displays created when energetic particles from the Sun interact with Earth’s magnetic field and atmosphere. These events, also seen on other planets like Saturn …
Current Space Weather Conditions - NOAA / NWS Space Weather …
For tonight's and tomorrow night's aurora viewline prediction the SWPC 3-Day Geomagnetic Forecast (Kp index) is used to drive the OVATION model. The model uses maximum forecast geomagnetic …
Northern lights may be visible in 15 states Dec. 3 | Space
2 days ago · Auroras may be visible from Alaska to New York as a speedy solar wind and incoming coronal mass ejection are expected to buffet Earth's magnetic field.
Aurora | Location & Facts | Britannica
Nov 24, 2025 · Aurora, luminous phenomenon of Earth’s upper atmosphere that occurs primarily in high latitudes of both hemispheres; in the Northern Hemisphere auroras are called aurora borealis, aurora …
Aurora - National Geographic Society
Oct 19, 2023 · Auroras are visible almost every night near the Arctic and Antarctic Circles, which are about 66.5 degrees north and south of the Equator. In the north, the display is called aurora borealis, …
Aurora Colors Mystery: How Ionized Particles and Atmosphere Layers ...
2 days ago · Learn why aurora colors glow green and red, how ionized particles collide with atmosphere layers, the physics of green aurora, and the science behind red aurora.
How to catch an aurora | NSF - U.S. National Science Foundation
Jan 21, 2025 · Nitrogen produces purple and blue hues across various altitudes. Auroras normally occur near the polar regions in both hemispheres. In the Northern Hemisphere, they are called aurora …
Auroras: The Northern and Southern Lights - Center for Science …
Auroras are dazzling displays of light, seen most often near the poles, that are caused by solar storms that disrupt Earth's atmosphere.
What Is an Aurora? - Smithsonian Institution
Auroras are becoming more intense—and visible in farther-reaching places—due to an increase in solar activity. They usually appear in high-latitude regions like Norway, Iceland, Canada, Alaska and parts …