From AAS NOVA: “Eruptions from the Sun”



Amercan Astronomical Society

18 November 2015
Susanna Kohler

1An image captured of the Sun by the Solar Dynamics Observatory’s Atmospheric Imaging Assembly, a few hours after a coronal mass ejection erupted off of the Sun’s northwest limb. [NASA/SDO/AIA]

1Gif of a movie of the CME, taken by the Solar Dynamics Observatory’s Atmospheric Imaging Assembly at a wavelength of 304Å. The original movie can be found in [cited] the article.

The Sun often exhibits outbursts, launching material from its surface in powerful releases of energy. Recent analysis of such an outburst — captured on video by several Sun-monitoring spacecraft — may help us understand the mechanisms that launch these eruptions.

Many Outbursts

Solar jets are elongated, transient structures that are thought to regularly release magnetic energy from the Sun, contributing to coronal heating and solar wind acceleration. Coronal mass ejections (CMEs), on the other hand, are enormous blob-like explosions, violently…

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