Solar Cycle 25 has begun. During a media event on Tuesday, experts from NASA and the National Oceanic and Atmospheric Administration (NOAA) discussed their analysis and predictions about the new solar cycle—and how the ...
Space Exploration
Sep 15, 2020
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Solar flares—violent explosions on the surface of the sun—can send blasts of radiation hurtling toward Earth. While the planet's magnetic field protects humans on the surface, powerful solar flares can disable satellites, ...
Space Exploration
Jul 31, 2020
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Extensive power outages and satellite blackouts that affect air travel and the internet are some of the potential consequences of massive solar storms. These storms are believed to be caused by the release of enormous amounts ...
Space Exploration
Jul 29, 2020
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Type III radio bursts from the sun are signatures of energetic (∼1–100 keV) electrons, accelerated at the reconnection sites, propagating upward through the corona into the interplanetary medium along open magnetic field ...
Astronomy
Jul 29, 2020
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Scientists at Harvard University and the Black Hole Initiative (BHI) have developed a new method to find black holes in the outer solar system, and along with it, determine once-and-for-all the true nature of the hypothesized ...
Astronomy
Jul 10, 2020
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The sun's corona, its hot outermost layer, has a temperature of over a million degrees Kelvin, and produces a wind of charged particles, about one-millionth of the moon's mass is ejected each year. Transient events have been ...
Astronomy
Jul 6, 2020
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On July 2, The Astrophysical Journal published a numerical study on a solar flare current sheet (CS). Dr. Ye Jing from Yunnan Observatories of the Chinese Academy of Sciences and his collaborators in this study investigated ...
Astronomy
Jul 6, 2020
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Plasma astrophysicists at KU Leuven have created the first self-consistent simulation of the physical processes that occur during a solar flare. The researchers used Flemish supercomputers and a new combination of physical ...
Astronomy
Jun 18, 2020
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By detecting an X-ray flare from a very young star using NASA's Chandra X-ray Observatory, researchers have reset the timeline for when stars like the sun start blasting high-energy radiation into space, as reported in our ...
Astronomy
Jun 18, 2020
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233
On May 29, 2020, a family of sunspots—dark spots that freckle the face of the sun, representing areas of complex magnetic fields—sported the biggest solar flare since October 2017. Although the sunspots are not yet visible ...
Astronomy
Jun 1, 2020
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