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Coronal mass ejections (CMEs) are the most dynamic phenomena in our solar system. They abruptly disrupt the continuous outflow of solar wind by expelling huge clouds of magnetized plasma into interplanetary space with velocities enabling to…

Solar and Stellar Astrophysics · Physics 2016-12-07 Manuela Temmer

Energetic flares and associated coronal mass ejections (CMEs) from young magnetically active solar-like stars can play a critical role in setting conditions for atmospheric escape as well aspenetration of accelerated particles into their…

Solar and Stellar Astrophysics · Physics 2020-01-08 Christina Kay , Vladimir S. Airapetian , Theresa Lüftinger , Oleg Kochukhov

Coronal mass ejections (CMEs) are large-scale ejections of plasma and magnetic field from the solar corona, which propagate through interplanetary space at velocities of $\sim$100--2500~km~s$^{-1}$. Although plane-of-sky coronagraph…

Solar and Stellar Astrophysics · Physics 2011-06-09 Shane A. Maloney , Peter T. Gallagher

Solar Coronal mass ejections (CMEs) are large-scale ejections of plasma and magnetic field from the corona, which propagate through interplanetary space. CMEs are the most significant drivers of adverse space weather on Earth, but the…

Solar and Stellar Astrophysics · Physics 2012-10-22 Shane Maloney

Solar coronal mass ejections (CMEs) are large-scale eruptions of plasma and magnetic field from the Sun into the corona and interplanetary space. They are the most significant drivers of adverse space weather at Earth and other locations in…

Solar and Stellar Astrophysics · Physics 2012-02-20 Jason P. Byrne

Our Sun is an active star expelling dynamic phenomena known as coronal mass ejections (CMEs). The magnetic field configuration on the Sun and related solar wind structures affect the propagation behavior of CMEs, dominate its transit time…

Solar and Stellar Astrophysics · Physics 2025-01-22 Manuela Temmer

Owing to our dependance on spaceborne technology, an awareness of disturbances in the near-Earth space environment is proving to be increasingly crucial. Earth-directed Coronal mass ejections (CMEs) emanating from the Sun are the primary…

Solar and Stellar Astrophysics · Physics 2014-07-17 Arun Babu

Coronal mass ejections (CMEs) are more energetic than any other class of solar phenomena. They arise from the rapid release of up to $10^{33}$ erg of magnetic energy mainly in the form of particle acceleration and bulk plasma motion. Their…

Solar and Stellar Astrophysics · Physics 2022-05-25 Julián D. Alvarado-Gómez , Jeremy J. Drake , Ofer Cohen , Federico Fraschetti , Cecilia Garraffo , Katja Poppenhäger

In our own solar system, the necessity of understanding space weather is readily evident. Fortunately for Earth, our nearest stellar neighbor is relatively quiet, exhibiting activity levels several orders of magnitude lower than young,…

Solar and Stellar Astrophysics · Physics 2016-11-25 Alicia Aarnio , Keivan Stassun , Sean Matt

Coronal mass ejections (CMEs) are eruptive events that cause a solar-type star to shed mass and magnetic flux. CMEs tend to occur together with flares, radio storms, and bursts of energetic particles. On the Sun, CME-related mass loss is…

Solar and Stellar Astrophysics · Physics 2017-05-24 Steven R. Cranmer

Coronal mass ejections (CMEs) on stars can change the stars' magnetic field configurations and mass loss rates during the eruption and propagation and therefore, may affect the stars' rotation properties on long time-scales. The dynamics of…

Solar and Stellar Astrophysics · Physics 2024-06-13 Yu Xu , Julián D. Alvarado-Gómez , Hui Tian , Katja Poppenhäger , Gustavo Guerrero , Xianyu Liu

The trajectories of coronal mass ejections (CMEs) are often seen to substantially deviate from a purely radial propagation direction. Such deviations occur predominantly in the corona and have been attributed to "channeling" or deflection…

We present here an overview of an important solar phenomenon with major implication for space weather and planetary life. The coronal mass ejections (CMEs) come from the Sun and expand in the heliosphere, becoming interplanetary coronal…

Solar and Stellar Astrophysics · Physics 2014-06-13 Cristiana Dumitrache , Nedelia A. Popescu

Stellar coronal mass ejections (CMEs) may play an important role in mass- and angular momentum loss of young Sun-like stars. If occurring frequently, they may also have a strong effect on planetary evolution by increasing atmospheric…

Solar and Stellar Astrophysics · Physics 2017-09-21 P. Odert , M. Leitzinger , A. Hanslmeier , H. Lammer

Stellar coronal mass ejections (CMEs) are a growing research field, especially during the past decade. The large number of so far detected exoplanets raises the open question for the CME activity of stars, as CMEs may strongly affect…

Solar and Stellar Astrophysics · Physics 2022-12-20 Martin Leitzinger , Petra Odert

In order to have a comprehensive view of the propagation and evolution of coronal mass ejections (CMEs) from the Sun to deep interplanetary space beyond 1 au, we carry out a kinematic analysis of 7 CMEs in solar cycle 23. The events are…

Solar and Stellar Astrophysics · Physics 2019-09-25 Xiaowei Zhao , Ying D. Liu , Huidong Hu , Rui Wang

Coronal Mass Ejections (CMEs) erupting from the host star are expected to have effects on the atmospheric erosion processes of the orbiting planets. For planets with a magnetosphere, the embedded magnetic field in the CMEs is thought to be…

Solar and Stellar Astrophysics · Physics 2024-11-12 Gopal Hazra , Aline A. Vidotto , Stephen Carolan , Carolina Villarreal D'Angelo , Dúalta Ó Fionnagáin

Coronal mass ejections (CMEs) are huge expulsions of magnetized matter from the Sun and stars, traversing space with speeds of millions of kilometers per hour. Solar CMEs can cause severe space weather disturbances and consumer power…

Solar and Stellar Astrophysics · Physics 2021-10-26 Astrid M. Veronig , Petra Odert , Martin Leitzinger , Karin Dissauer , Nikolaus C. Fleck , Hugh S. Hudson

Coronal mass ejections (CMEs) are massive expulsions of magnetised plasma from a star, and are the largest contributors to space weather in the Solar System. CMEs are theorized to play a key role in planetary atmospheric erosion, especially…

Coronal Mass Ejections (CMEs) are energetic storms in the Sun that result in the ejection of large-scale magnetic clouds (MCs) in interplanetary space that contain enhanced magnetic fields with coherently changing field direction. The…

Solar and Stellar Astrophysics · Physics 2022-11-09 Sanchita Pal , Dibyendu Nandy , Emilia K J Kilpua
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