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coronal mass ejection

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Last Year's Global Aurora-Sparking "Superstorm" Squashed Earth's Plasmasphere To A Fifth Its Usual SizeJapan's Arase satellite gave us our best observations of a geomagnetic superstorm caused by a solar coronal mass ejection.

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Last Year's Global Aurora-Sparking "Superstorm" Squashed Earth's Plasmasphere To A Fifth Its Usual SizeJapan's Arase satellite gave us our best observations of a geomagnetic superstorm caused by a solar coronal mass ejection.
space-iconAstronomy

Last Year's Global Aurora-Sparking "Superstorm" Squashed Earth's Plasmasphere To A Fifth Its Usual Size

clock-iconNovember 20, 2025
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For First Time, Astronomers Record A Coronal Mass Ejection From A Star That's Not Our SunArtist's impression of a coronal mass ejection on StKM 1-1262, the first star aside from the Sun where we know this happens.

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For First Time, Astronomers Record A Coronal Mass Ejection From A Star That's Not Our SunArtist's impression of a coronal mass ejection on StKM 1-1262, the first star aside from the Sun where we know this happens.
space-iconAstronomy

For First Time, Astronomers Record A Coronal Mass Ejection From A Star That's Not Our Sun

clock-iconNovember 12, 2025
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Watch More Coronal Mass Ejections Slam Into Comet C/2023 A3 Tsuchinshan-ATLASThe comet is a bright strip of light on the side. At the center the view of the Sun is blocked by the coronagraph. Whsipy filaments and bright stripes are visible around the coronagraph 360 degrees as the CEM is going in the whole field of view

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Watch More Coronal Mass Ejections Slam Into Comet C/2023 A3 Tsuchinshan-ATLASThe comet is a bright strip of light on the side. At the center the view of the Sun is blocked by the coronagraph. Whsipy filaments and bright stripes are visible around the coronagraph 360 degrees as the CEM is going in the whole field of view
space-iconAstronomy

Watch More Coronal Mass Ejections Slam Into Comet C/2023 A3 Tsuchinshan-ATLAS

clock-iconOctober 9, 2024
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Radio Blackouts And Aurora Predicted Today As Sunspot AR3842 EruptsSolar flare AR3842

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Radio Blackouts And Aurora Predicted Today As Sunspot AR3842 EruptsSolar flare AR3842
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Radio Blackouts And Aurora Predicted Today As Sunspot AR3842 Erupts

clock-iconOctober 3, 2024
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Astrophotographer Catches Sun Firing Spectacular Plasma Ejection At MercuryThis solar prominence stretched further than from the Earth to the Moon, and helped send a coronal mass ejection to Mercury

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Astrophotographer Catches Sun Firing Spectacular Plasma Ejection At MercuryThis solar prominence stretched further than from the Earth to the Moon, and helped send a coronal mass ejection to Mercury
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Astrophotographer Catches Sun Firing Spectacular Plasma Ejection At Mercury

clock-iconJuly 18, 2024
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Head-On Aurora-Causing Solar Storms Are The Ones We Really Need To Worry Aboutbrightly coloured aurora in the night sky over a lake and snow-capped mountains

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Head-On Aurora-Causing Solar Storms Are The Ones We Really Need To Worry Aboutbrightly coloured aurora in the night sky over a lake and snow-capped mountains
space-iconAstronomy

Head-On Aurora-Causing Solar Storms Are The Ones We Really Need To Worry About

clock-iconJuly 12, 2024
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STEVE, The Purple Aurora-Like Phenomenon, Has A Mysterious Morning TwinIt looks like a STEVE and an aurora, but this was taken before dawn, and the purple arc is towards the pole of the auroral activity.

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STEVE, The Purple Aurora-Like Phenomenon, Has A Mysterious Morning TwinIt looks like a STEVE and an aurora, but this was taken before dawn, and the purple arc is towards the pole of the auroral activity.
space-iconAstronomy

STEVE, The Purple Aurora-Like Phenomenon, Has A Mysterious Morning Twin

clock-iconJune 6, 2024
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As Aurora-Causing Sunspot Returns, Here’s What To Look Out For In JuneAurora

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As Aurora-Causing Sunspot Returns, Here’s What To Look Out For In JuneAurora
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As Aurora-Causing Sunspot Returns, Here’s What To Look Out For In June

clock-iconMay 31, 2024
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Four Regions Of The Sun Seen Exploding SimultaneouslyFour eruptions on the sun

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Four Regions Of The Sun Seen Exploding SimultaneouslyFour eruptions on the sun
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Four Regions Of The Sun Seen Exploding Simultaneously

clock-iconApril 24, 2024
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Watch The Sun Briefly Pull Off The Devil Comet’s TailComet Pons-Brooks (lower left) with its tail on the point of breaking off. Jupiter appears nearby, while the coronal mass ejection is swirling off the Sun, which is out of view to the right.

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Watch The Sun Briefly Pull Off The Devil Comet’s TailComet Pons-Brooks (lower left) with its tail on the point of breaking off. Jupiter appears nearby, while the coronal mass ejection is swirling off the Sun, which is out of view to the right.
space-iconAstronomy

Watch The Sun Briefly Pull Off The Devil Comet’s Tail

clock-iconApril 23, 2024
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Why Comet Erasmus Wagged Its Tail As It Sailed Past The SunBlack and white image of Comet C/2020 S3 (Erasmus) on 14 November 2020

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Why Comet Erasmus Wagged Its Tail As It Sailed Past The SunBlack and white image of Comet C/2020 S3 (Erasmus) on 14 November 2020
space-iconAstronomy

Why Comet Erasmus Wagged Its Tail As It Sailed Past The Sun

clock-iconNovember 15, 2023
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Surprising Twist To Solar Cycle Revealed In Korean Records Of Rare Red AuroraRed aurora borealis in Lapland

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Surprising Twist To Solar Cycle Revealed In Korean Records Of Rare Red AuroraRed aurora borealis in Lapland
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Surprising Twist To Solar Cycle Revealed In Korean Records Of Rare Red Aurora

clock-iconOctober 30, 2023
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How Will The Next Big Solar Flare Affect Our Planet?This image shows the bright light of a solar flare on the left side of the sun and an eruption of solar material shooting through the sun’s atmosphere.

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How Will The Next Big Solar Flare Affect Our Planet?This image shows the bright light of a solar flare on the left side of the sun and an eruption of solar material shooting through the sun’s atmosphere.
space-iconSpace and Physics

How Will The Next Big Solar Flare Affect Our Planet?

clock-iconOctober 20, 2023
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Sun Rips Hole In Earth’s Magnetic Field Sparking Rare Red AurorasRed aurora

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Sun Rips Hole In Earth’s Magnetic Field Sparking Rare Red AurorasRed aurora
space-iconSpace and Physics

Sun Rips Hole In Earth’s Magnetic Field Sparking Rare Red Auroras

clock-iconSeptember 26, 2023
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Massive Eruption Covering "Half The Sun" Causes Geomagnetic Storm On EarthA solar storm.

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Massive Eruption Covering "Half The Sun" Causes Geomagnetic Storm On EarthA solar storm.
space-iconAstronomy

Massive Eruption Covering "Half The Sun" Causes Geomagnetic Storm On Earth

clock-iconSeptember 20, 2023
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