
Coronal Mass Ejections - NOAA / NWS Space Weather Prediction …
CMEs travel outward from the Sun at speeds ranging from slower than 250 kilometers per second (km/s) to as fast as near 3000 km/s. The fastest Earth-directed CMEs can reach our planet in …
CMES-Computer Modeling in Engineering & Sciences | An …
CMES-Computer Modeling in Engineering & Sciences, Vol.145, No.2, pp. 1755-1787, 2025, DOI:10.32604/cmes.2025.072200 - 26 November 2025 (This article belongs to the Special …
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Coronal mass ejection - Wikipedia
As CMEs propagate through the heliosphere, they may interact with the surrounding solar wind, the interplanetary magnetic field, and other CMEs and celestial bodies.
Latest CMEs detected by Cactus | SpaceWeatherLive.com
Nov 26, 2025 · Here you'll find an overview of the latest CMEs that where detected by the Cactus software of the SIDC. The Cactus software autonomously detects CMEs in image sequences …
What is a coronal mass ejection or CME? - NASA
Mar 6, 2015 · A large CME can contain a billion tons of matter that can be accelerated to several million miles per hour in a spectacular explosion. Solar material streams out through the …
Coronal mass ejection (CME) | Definition & Effects | Britannica
Nov 19, 2025 · The occurrence rate of CMEs generally follows the 11-year solar cycle of sunspot activity, and CMEs occur more frequently and are most intense around solar maximum. CMEs …
Coronal Mass Ejections (CMEs) - Sentinel Mission
Oct 18, 2025 · Coronal Mass Ejections, or CMEs, are massive bursts of solar wind and magnetic fields that are ejected from the Sun’s corona, the outermost layer of the Sun’s atmosphere.
Coronal Mass Ejections (CME) - NSO - National Solar Observatory
Coronal Mass Ejections, or CMEs, are explosive bursts of solar plasma and magnetic field that fly away from the Sun at thousands of kilometers an hour. CMEs are frequently (but not always) …
Space Weather and Safety
Eruptions of plasma and magnetic field structures from the sun's atmosphere, called coronal mass ejections (CMEs), and sudden bursts of radiation, called solar CMEs, can cause space …