Results 11 to 20 of about 1,753 (184)

Coronal Mass Ejections: Observations [PDF]

open access: yesLiving Reviews in Solar Physics, 2012
Solar eruptive phenomena embrace a variety of eruptions, including flares, solar energetic particles, and radio bursts. Since the vast majority of these are associated with the eruption, development, and evolution of coronal mass ejections (CMEs), we ...
David F. Webb, Timothy A. Howard
doaj   +2 more sources

The birth of a coronal mass ejection [PDF]

open access: yesScience Advances, 2019
Tiny plasmoids merge on the Sun and snowball into a stellar-sized eruption.
Tingyu Gou   +4 more
openaire   +4 more sources

COMPOSITION OF CORONAL MASS EJECTIONS [PDF]

open access: yesThe Astrophysical Journal, 2016
ABSTRACT We analyze the physical origin of plasmas that are ejected from the solar corona. To address this issue, we perform a comprehensive analysis of the elemental composition of interplanetary coronal mass ejections (ICMEs) using recently released elemental composition data for Fe, Mg, Si, S, C, N, Ne, and He as compared to O and H ...
T. H. Zurbuchen   +5 more
openaire   +2 more sources

Review of Fast Solar Jets and Coronal Mass Ejections [PDF]

open access: yesIranian Journal of Astronomy and Astrophysics, 2023
The Sun is a magnetically active star. It has a powerful magnetic field that shifts slightly from year to year until it reverses about every eleven years. The sun's magnetic field has many effects, the collection of which is called solar activity such as,
Sima Zeighami, Ehsan Tavabi
doaj   +1 more source

Some kinematics of halo coronal mass ejections

open access: yesOpen Astronomy, 2020
We present an investigation of halo coronal mass ejections (HCMEs) kinematics and other facts about the HCMEs. The study of HCMEs is very important because HCMEs are regarded as the main causes of heliospheric and geomagnetic disturbances. In this study,
Verma Virendra Kumar   +2 more
doaj   +1 more source

Anomalous-plasmoid-ejection-induced secondary magnetic reconnection: modeling solar flares and coronal mass ejections by laser–plasma experiments

open access: yesHigh Power Laser Science and Engineering, 2013
The driving mechanism of solar flares and coronal mass ejections is a topic of ongoing debate, apart from the consensus that magnetic reconnection plays a key role during the impulsive process.
Quanli Dong   +22 more
doaj   +1 more source

Deflection of Coronal Mass Ejections in Unipolar Ambient Magnetic Fields

open access: yesThe Astrophysical Journal, 2023
The trajectories of coronal mass ejections (CMEs) are often seen to deviate substantially from a purely radial propagation direction. Such deviations occur predominantly in the corona and have been attributed to “channeling” or deflection of the eruptive
Michal Ben-Nun   +7 more
doaj   +1 more source

Evolution of the Radial Size and Expansion of Coronal Mass Ejections Investigated by Combining Remote and In Situ Observations

open access: yesThe Astrophysical Journal, 2023
A fundamental property of coronal mass ejections (CMEs) is their radial expansion, which determines the increase in the CME radial size and the decrease in the CME magnetic field strength as the CME propagates.
Bin Zhuang   +6 more
doaj   +1 more source

Microwave radio emissions as a proxy for coronal mass ejection speed in arrival predictions of interplanetary coronal mass ejections at 1 AU

open access: yesJournal of Space Weather and Space Climate, 2017
The propagation of a coronal mass ejection (CME) to the Earth takes between about 15 h and several days. We explore whether observations of non-thermal microwave bursts, produced by near-relativistic electons via the gyrosynchrotron process, can be used ...
Matamoros Carolina Salas   +2 more
doaj   +1 more source

Periodicities in solar coronal mass ejections [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2003
Mid-term quasi-periodicities in solar coronal mass ejections (CMEs) during the most recent solar maximum cycle 23 are reported here for the first time using the four-year data (February 5, 1999 to February 10, 2003) of the Large Angle Spectrometric Coronagraph (LASCO) onboard the Solar and Heliospheric Observatory (SOHO).
Lou, Y. -Q.   +4 more
openaire   +2 more sources

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