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☆ A solar eruption headed straight for Earth is eating up stray energy and could trigger a strong geomagnetic storm by Friday
  + stars: | 2023-11-30 | by ( Grace Eliza Goodwin | Marianne Guenot | ) www.businessinsider.com   time to read: +2 min
A strong solar eruption this week could produce a powerful geomagnetic storm on Friday. The storm — called a coronal mass ejection — is eating up stray energy in space as it heads for Earth. AdvertisementA series of strong solar eruptions this week could trigger a powerful geomagnetic storm by Friday, bringing incredible aurora displays farther south than usual. This phenomenon is called a "Cannibal CME" and the end result could be a strong geomagnetic storm, Spaceweather.com reported. How to see the aurora this weekendThe storm could trigger aurora borealis farther south than usual.
Persons: —, Daniel Verscharen, It's Organizations: Service, CME, University College London, Prediction, NOAA Locations: Canada
☆ A cluster of sunspots 15 times bigger than Earth could send a solar storm our way as early as Saturday
  + stars: | 2023-11-24 | by ( Marianne Guenot | ) www.businessinsider.com   time to read: +4 min
These have been fizzing with activity and could send solar weather toward Earth as early as Saturday. Space weather is mostly harmless, though scientists are looking out for a rare once-a-century superstorm. It had already shot out three M-class and several C-class solar flares before it came into view, per spaceweather.com. "The spots are fairly big and complex, which suggests they're likely to produce some space weather," said Owens. AdvertisementAs of Friday evening, the US and UK agencies that monitor space weather forecasted a low risk of any type of dangerous solar weather in the coming days.
Persons: Daniel Verscharen, Matt Owens, Owens, they're Organizations: Service, European Space Agency, NASA, University College London, University of Reading, US
☆ A giant eruption covered 'over half the sun,' then crashed into Earth nearly 12 hours earlier than forecast
  + stars: | 2023-09-19 | by ( Maiya Focht | Morgan Mcfall-Johnsen | Marianne Guenot | ) www.businessinsider.com   time to read: +7 min
Forecasting solar storms is especially difficult right now, even as the sun is getting more active. CMEs fling charged, super-hot plasma into space, and sometimes — like in the case of this CME — that plasma strikes Earth. On the bright side, these solar storms also make stunning displays of the Northern Lights, or aurora borealis, visible in the middle of the US. On a different day, all of these effects combined could have created a very violent solar storm. In the worst-case scenario, which is very rare, all the conditions align to send a very fast and very powerful solar storm to Earth.
Persons: oozing, Keith Strong, Lockheed Martin, Dean Pesnell, Rune Stoltz Bertinussen, Matt Owens, Bryan Brasher, Daniel Verscharen, Owens Organizations: Service, Lockheed, NASA, Dynamics, Prediction, National Oceanic, Atmospheric Administration, Reuters, CME, University of Reading, University College London, NASA Solar Dynamics Locations: Wall, Silicon, Tromso, Norway, Montana , Missouri, Virginia
☆ A once-in-century solar storm could fry power grids and knock out satellites. Here's why scientists worry it could happen soon.
  + stars: | 2023-08-13 | by ( Marianne Guenot | ) www.businessinsider.com   time to read: +8 min
Most solar storms are pretty harmless, but every so often, the sun can send hugely powerful storms. The Carrington Event of 1859 is widely considered to be the most powerful solar storm ever recorded. A huge solar flare like this one anticipated the 1989 solar storm. Why scientists are concerned about the next solar peakThe sun's activity is currently growing, and scientists are particularly concerned about the ongoing solar cycle. With enough warning, operators can put in place measures to protect infrastructure from the worst effect of solar storms.
Persons: we've, Mathew Owens, Daniel Verscharen, it's, We've, we'd, Owens, Elon Musk's, Verscharen, Till Organizations: Service, NASA, University of Reading, Solar Dynamics, University College London, Heliospheric, Getty, NOAA, Elon, Elon Musk's SpaceX, Verscharen, European Space Agency Locations: Wall, Silicon, Quebec, Soviet Union, Russia, Canada, Sweden
☆ A solar storm is due to hit Earth today, sparking stunning auroras. Here's how to see them.
  + stars: | 2023-07-06 | by ( Marianne Guenot | ) www.businessinsider.com   time to read: +6 min
It should be relatively mild but could spark beautiful auroras visible from around the world. NOAA space weather prediction centerHead to the National Oceanic and Atmospheric Administration's space weather website for the latest forecast to see if auroras are likely to be visible where you are. As the sun becomes more active, it is more likely to send solar storms our way. Flights are more likely to be rerouted or grounded in bad space weather, for instance, experts previously told Insider. In the meantime, our dependence on satellite infrastructure has increased, and our vulnerability to space weather has therefore increased," said Verscharen.
Persons: —, Daniel Verscharen, auroras, Igor Hoogerwerf, SANKA VIDANAGAMA, It's Organizations: Service, University College London, NOAA, National Oceanic, Atmospheric Administration, Mount Cook National, Getty, Royal Photographic Society Locations: Europe, Michigan, Maine, New York, Idaho, Illinois, Oregon, Phoenix , Arizona, Aurora, Mount, Christchurch , New Zealand, AFP
☆ A powerful solar storm is hitting Earth, sparking stunning northern and southern lights across the planet. Here's how to see them tonight.
  + stars: | 2023-04-24 | by ( Marianne Guenot | ) www.businessinsider.com   time to read: +5 min
A powerful G4 solar storm is hitting the Earth with winds as fast as 600 mph. Auroras seen in LaCrosse, Wisconsin, on March 24, 2023. NWS La CrosseThe spectacle also gave a treat to skygazers globally, with the lights seen across the UK, in the skies over Kyiv, Ukraine, and as far as Victoria, Australia. SANKA VIDANAGAMA/AFP via Getty ImagesThe powerful storm should continue until Monday evening. Storms like this aren't just prettyA view of the sun on April 21 shows the coronal mass ejection that caused the April 24 storm.
☆ Giant 'holes' dozens of times the size of our planet are appearing on the sun. Here's how they could affect Earth.
  + stars: | 2023-03-29 | by ( Marianne Guenot | ) www.businessinsider.com   time to read: +11 min
Two huge coronal holes, dozen of times the size of the Earth, have appeared on the sun. These coronal holes can spew solar winds at 1.8 million mph toward our planet, which can cause stunning auroras and disrupt satellites. Coronal holes aren't actually holes in the sunA coronal hole rotates across the face of the sun, streaming solar wind towards Earth, February 1, 2017. Coronal holes happen in the "corona," the atmosphere of the sun, and can only be seen in UV or X-ray light. We could see this month's coronal holes again next monthThe coronal hole came into view as the sun rotated.
☆ A second giant 'hole' has appeared on the sun, and it could send 1.8 million mph solar winds towards Earth
  + stars: | 2023-03-27 | by ( Marianne Guenot | ) www.businessinsider.com   time to read: +5 min
These 'holes' can send 1.8 million mph solar winds towards Earth. As this first 'hole' begins rotating away from us, a new giant coronal hole — about 18 to 20 Earths' across — has come into view. Coronal holes release solar winds into space which can damage satellites and reveal stunning auroras if they reach the Earth. The 'hole' is positioned close to the sun's equatorThe coronal hole came into view as the sun rotated. The solar winds can blast very fast solar winds, with speeds of more than 800 kilometers per second, Verscharen said.
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