Massive Scorching-Hot Plasma Blast: A Sun-Like Star May Hold Dire Warnings for Life on Earth
Astronomers spying on a stellar system located dozens of lightyears from Earth have, for the first time, observed a troubling fireworks show: A star, named…
Coronal Mass Ejections
Violent Coronal Mass Ejection Crashes Into Earth’s Magnetosphere, Lighting Up the Sky
Credit: All-sky camera, Kiruna Atmospheric and Geophysical Observatory (KAGO) within the Swedish Institute of Space Physics (IRF). Data provided as part of ESA’s Space Weather…
Geomagnetic Storm: Solar Eruption Arrives at Earth
A mass of solar material that erupted from the Sun on October 9, 2021, reached Earth on October 12. The Earth-directed coronal mass ejection, or…
Solar Orbiter Images First Coronal Mass Ejections – See the Stunning Videos From Multiple Instruments
Combining imagery from three of Solar Orbiter’s remote sensing instruments – the Extreme Ultraviolet Imager (EUI), the Metis coronagraph, and Solar Orbiter’s Heliospheric Imager (SoloHI)…
Chandra Detects Coronal Mass Ejection From Distant Star
This artist’s illustration depicts a coronal mass ejection, or CME, which involves a large-scale expulsion of material, and have frequently been observed on our Sun….
NASA Satellites Recreate Solar CME Eruption in 3D
The more solar observatories, the merrier: Scientists have developed new models to see how shocks associated with coronal mass ejections, or CMEs, propagate from the…
Space Weather Satellite Set to Go Where No Mission Has Gone Before
Living near a star is risky business, and positioning a spacecraft near the Sun is a very good way to observe rapidly changing solar activity…
Astronomers Reveal How a Magnetic Cage Stopped a Solar Eruption
A dramatic magnetic power struggle at the Sun’s surface lies at the heart of solar eruptions, new research using NASA data shows. The work highlights…
Astronomers Create a Model for Stealth Coronal Mass Ejections
A newly published study details how astronomers developed a model that simulates the evolution of coronal mass ejections. Our ever-changing sun continuously shoots solar material…
K-Cor Gives Scientists an Early Warning of Incoming Space Weather
Scientists from NASA and the National Center for Atmospheric Research have shown that data from a ground-based instrument called K-Cor can give scientists early warning…
Scientists Develop New Space Weather Model to Help Simulate Magnetic Structure of Solar Storms
Engineers developed the model as part of its Space Weather Modeling Framework, which is the first “first principles” model to simulate CMEs including their magnetic…
Van Allen Probes View Supercharged Radiation Belt
New research details how a shockwave created by the driving force of a coronal mass ejection from the sun – struck the outermost radiation belt,…
Astronomers Detail Seasonal, Year-Long Cycles Seen on the Sun
New research examines what creates the magnetic bands on the Sun and how they influence solar cycles, revealing that the changes in the magnetic field…
Coronal Mass Ejections Accelerate and Concentrate Nanodust Particles
A team of astronomers has discovered that coronal mass ejections accelerate and concentrate nanodust particles in the interplanetary medium, a conclusion derived from STEREO instruments…
NASA Video Reveals the Difference Between Solar Flares and CMEs
This short NASA video highlights the differences between coronal mass ejections (CMEs) and solar flares. How do you tell the difference between a flare and…
A Closer Look Into the Heart of a Magnetic Storm
In an effort to better understand coronal mass ejections and their potential effects on human technology, a newly published study takes a detailed look a…
New ScienceCast Video Details a Carrington-Class CME that Narrowly Missed Earth
A new ScienceCast video details an intense solar storm that narrowly missed Earth two years ago. If it had hit, researchers say, we could still…
NASA Detects Earth Directed Coronal Mass Ejection
Post has been updated to reflect another CME that was detected on August 21, 2013 at 1:24 am EDT….Scroll to the bottom of the page…