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Search resuls for: "Dean Pesnell"


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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
The reason for this brilliant display is the sun, which shot a giant eruption of charged particles toward Earth on Sunday. The colorful Northern Lights, or aurora borealis, appear when electrically charged particles from the sun interact with molecules in Earth's atmosphere. Northern Lights may appear unusually far southTypically these dazzling green, red, pink, and purple lights only appear around the Arctic Circle, or around the South Pole (there it's called the aurora australis). That's because our planet's magnetic field lines channel the steady stream of particles, called the "solar wind," to the poles. AdvertisementAdvertisementWhere the aurora might appear tonightThe below map of the Space Weather Prediction Center's aurora forecast shows where late-night or early-morning sky watchers might be lucky enough to see the Northern Lights.
Persons: Dean Pesnell, Keith Strong, Lockheed Martin, Mike Hapgood, there's Organizations: Service, NASA, Dynamics, Lockheed, NOAA, Prediction Center, Rutherford Appleton Laboratory, Administration Locations: Wall, Silicon, New York , Illinois, Oregon
Perioada este numită minimum solar. Nu ştim exact când va avea loc următorul minimum solar, dar putem prezice. În 2017, NASA a anunţat că un nou minimum solar este aşteptat în 2019 – 2020. Aşadar, ori trecem deja prin perioada de minimum solar, sau tocmai urmează să o facem. Studii recente sugerează că au legătură cu alinierea planetelor, dar polii se schimbă între ei atunci când câmpul magnetic este slăbit, cunoscut drept şi minimum solar.
Persons: liniştiţi, Aşadar, Dean Pesnell, Dalton Minimum Organizations: NASA, Goddard, Sun Locations: SUA, Sud, Nord, Tambora, Indonezia
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