A team of researchers from New Zealand, the U.S. and Canada has confirmed the first observation of a SAR arc evolving into a STEVE. In their paper published in the journal Geophysical Research Letters, the group details their ...
UCLA scientists have discovered a new source of super-fast, energetic electrons raining down on Earth, a phenomenon that contributes to the colorful aurora borealis but also poses hazards to satellites, spacecraft and astronauts.
Planetary Sciences
Mar 30, 2022
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1482
Could solar storms knock out the global internet? Yes, but we don't know when or how it could happen. Mathematician Dr. Geoffrey Vasil has proposed a new understanding of the Sun's convection zone to help.
Astronomy
Aug 5, 2021
35
1055
The Earth's magnetic field, or magnetosphere, stretches from the planet's core out into space, where it meets the solar wind, a stream of charged particles emitted by the sun. For the most part, the magnetosphere acts as ...
Space Exploration
Mar 6, 2014
24
4
(Phys.org) —In a 3-meter diameter hollow aluminum sphere, Cary Forest, a UW-Madison physics professor, is stirring and heating plasmas to 500,000 degrees Fahrenheit to experimentally mimic the magnetic field-inducing cosmic ...
Space Exploration
Oct 17, 2013
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0
UCLA researchers have explained the puzzling disappearing act of energetic electrons in Earth's outer radiation belt, using data collected from a fleet of orbiting spacecraft.
General Physics
Jan 29, 2012
14
0
Sky viewers might get to enjoy some spectacular Northern Lights, or aurorae, tomorrow. After a long slumber, the Sun is waking up. Early Sunday morning, the Sun's surface erupted and blasted tons of plasma (ionized atoms) ...
Space Exploration
Aug 2, 2010
15
0
(PhysOrg.com) -- Challenging conventional wisdom, new research finds that the number of sunspots provides an incomplete measure of changes in the Sun's impact on Earth over the course of the 11-year solar cycle. The study, ...
Space Exploration
Sep 17, 2009
4
0
(PhysOrg.com) -- An international panel of experts has released a new prediction for the next solar cycle, stating that Solar Cycle 24 will peak in May 2013 with a below-average number of sunspots. Led by the National Oceanic ...
Space Exploration
May 27, 2009
5
0
A research group coordinated by the University of Helsinki was able to measure a spike in radiocarbon concentration of trees in Lapland that occurred after the Carrington flare. This discovery helps to prepare for dangerous ...
Planetary Sciences
Apr 4, 2024
0
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