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News
Ganymede Might Still Be Forming Its Metal Core Today
3+ mon, 3+ week ago (477+ words) Jupiter’s moon Ganymede is the largest moon in the solar system; at over 3,200 miles across, it is larger than the planet Mercury. It is also the only moon with its own intrinsic magnetic field, produced by a churning central core…...
How superstorm Gannon squeezed Earth’s plasmasphere to one-fifth its size
9+ mon, 3+ week ago (334+ words) New study shows how a major space storm dramatically shrank Earth’s protective plasma layer and slowed its recovery, helping improve solar storm forecasts and protect space infrastructure we rely on. image: Scientists have captured the first detailed observations of how…...
How the 2024 superstorm crushed Earth’s protective plasma bubble
9+ mon, 3+ week ago (533+ words) In May 2024, Earth was hit by the strongest geomagnetic storm in more than 20 years. Known as the Gannon storm or the “Mother’s Day storm,” it was triggered by a series of massive solar eruptions that sent huge clouds of charged…...
Astronomers spot storm on another star for first time
10+ mon, 20+ hour ago (262+ words) Astronomers revealed Wednesday they have detected a storm on a star other than our Sun for the first time, discovering an explosion so violent it could have stripped away the atmosphere of any planets unlucky enough to be nearby.Â…...
Sun's mood swings: Science behind repeated solar storms explained
10+ mon, 8+ min ago (525+ words) The Sun has spent the past few days hurling repeated bursts of energy and plasma toward Earth, unleashing a sequence of geomagnetic storms that lit up skies across continents and sent satellites and power grids into a state of high…...
Earth Has Sudden ‘Ground Level Event’ — Here’s What That Means
10+ mon, 1+ day ago (198+ words) A massive X5.1-rated solar flare — the strongest in over a year — has been causing a severe geomagnetic storm in North America and around the world. That's set to continue on Wednesday, Nov. 12, but the solar flare also caused something that's…...
Hailstorm seen in space: Satellites get peppered by particles from solar storm
10+ mon, 1+ day ago (320+ words) In a striking display of solar fury, a recent burst of high-energy particles from the Sun has created what scientists are calling a “hailstorm in space.” The phenomenon was dramatically captured by the SOHO (Solar and Heliospheric Observatory) spacecraft. In…...
Solar tornadoes: New findings reveal hidden twists in solar storms that threaten Earth
11+ mon, 1+ day ago (33+ words) A new University of Michigan study offers one of the most detailed pictures so far of how violent sun storms spread across space — and occasionally, straight to our planet. With the help of......
What Ancient Solar Storms Meant for Life on Earth
10+ mon, 2+ week ago (395+ words) Our Sun seems pretty calm these days with a largely stable regular solar cycle revealed by sunspots and flare activity but billions of years ago, it was quite simply a menace. Scientists have just captured evidence of what the Sun…...
‘Space tornadoes’ could cause geomagnetic storms – but these phenomena, spun off ejections from the Sun, aren’t easy to study
10+ mon, 4+ week ago (1073+ words) Space weather is very different from the storms you see on Earth. These events come from the Sun, which ejects eruptions of charged particles and magnetic fields from its surface. The most powerful of these events are called interplanetary coronal…...