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Search resuls for: "Scott McIntosh"


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☆ The sun’s activity is peaking sooner than expected
  + stars: | 2023-07-14 | by ( Ashley Strickland | ) edition.cnn.com   time to read: +11 min
Every 11 years or so, the sun experiences periods of low and high solar activity, which is associated with the amount of sunspots on its surface. Over the course of a solar cycle, the sun will transition from a calm to an intense and active period. During the peak of activity, called solar maximum, the sun’s magnetic poles flip. A solar activity spikeThe current solar cycle, known as Solar Cycle 25, has been full of activity, more so than expected. The solar storms generated by the sun can affect electric power grids, GPS and aviation, and satellites in low-Earth orbit.
Persons: ”, Mark Miesch, “, Alex Young, ” Miesch, Scott McIntosh, Robert Leamon, Leamon, Miesch, Young, auroras, Bill Murtagh, ” Murtagh, NASA’s Parker, “ We’ve Organizations: CNN, National Oceanic, Prediction, NASA's Solar Dynamics, NASA, SpaceX, Heliophysics, Goddard Space Flight, GPS, National Center for Atmospheric Research, Goddard Planetary Heliophysics, University of Maryland, College Park, American University, Dynamics, Geological Survey, Probe Locations: Boulder , Colorado, Greenbelt , Maryland, Baltimore County, New Mexico , Missouri, North Carolina, California, United States, England, United Kingdom, Alaska, Canada, Iceland, Norway, Scandinavia, Michigan, Upper Midwest, Pacific, Quebec
☆ NASA footage reveals 4 types of solar eruptions and 'holes' that could affect Earth as the sun grows more active
  + stars: | 2023-05-05 | by ( Morgan Mcfall-Johnsen | ) www.businessinsider.com   time to read: +7 min
The sun is slamming Earth with solar flares and high-speed eruptions of plasma. Solar flares can have the power of 1 billion hydrogen bombsA solar flare erupts — the bright flash on the bottom right of the sun — on March 28, 2023. NASA’s Solar Dynamics Observatory captured this image of a solar flare – as seen in the bright flash on the upper right – on March 3, 2023. CMEs are common culprits of solar storms on Earth, since they can send a powerful flood of solar particles washing over the planet. Coronal holes open a highway for solar windA video from NASA's Solar Dynamics Observatory shows the massive hole in the sun's atmosphere.
☆ A 'hole' 30 times Earth's size has spread across the sun, blasting solar winds that'll hit our planet by end of this week
  + stars: | 2023-03-21 | by ( Rebecca Cohen | Jessica Orwig | Morgan Mcfall-Johnsen | ) www.businessinsider.com   time to read: +3 min
The sun is sporting a giant coronal hole that could fit 20-30 Earths across, back-to-back. Coronal holes blast rapid solar winds into space that travel 500-800 kilometers per second. Coronal holes are cooler in temperature, so they don't glow as bright and therefore look black against the rest of the sun. In this case, the solar winds from this coronal hole are scheduled to reach Earth by the end of this week. But coronal holes — even large ones like this — are far less violent.
☆ Telescope video shows part of the sun breaking off and forming a vortex, making scientists scratch their heads
  + stars: | 2023-02-10 | by ( Morgan Mcfall-Johnsen | ) www.businessinsider.com   time to read: +3 min
Video from a NASA telescope shows part of the sun breaking off and swirling around its north pole. More plasma is building up to liftoff at the sun's north pole, which is a once-a-decade event. She added that the telescope footage appeared to show a solar prominence — a large, bright filament extending out from the sun, but anchored to the solar surface. More extreme activity is building on the sun's north poleOn Friday morning, more plasma appeared to be swirling at the solar north pole. Cool plasma building at the surface of the sun's pole appears to be getting ready to lift off, or erupt, into space.
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