With the click of a computer mouse, a scientist at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) sends 10,000 volts of electricity into a chamber filled with hydrogen gas. The charge heats the ...
Plasma Physics
Oct 25, 2011
20
0
Thanks to a geomagnetic storm from the sun, skywatchers across the far northern U.S. and most of Canada later this week could see the aurora borealis, aka the northern lights.
Space Exploration
May 15, 2019
0
259
The first images from the Solar Ultraviolet Imager or SUVI instrument aboard NOAA's GOES-16 satellite have been successful, capturing a large coronal hole on Jan. 29, 2017.
Space Exploration
Feb 28, 2017
2
35
The Earth's magnetic field, generated some 3,000km below our feet in the liquid iron core, threads through the whole planet and far into space – protecting life and satellites from harmful radiation from the sun. But this ...
Earth Sciences
Nov 8, 2017
1
365
A stream of highly charged particles from the sun is headed straight toward Earth, threatening to plunge cities around the world into darkness and bring the global economy screeching to a halt.
Space Exploration
May 8, 2012
7
0
Our planet is nestled in the center of two immense, concentric doughnuts of powerful radiation: the Van Allen radiation belts, which harbor swarms of charged particles that are trapped by Earth's magnetic field. On March ...
Space Exploration
Aug 15, 2016
0
860
(PhysOrg.com) -- The sunspot cycle is behaving a little like the stock market. Just when you think it has hit bottom, it goes even lower.
Space Exploration
Apr 1, 2009
17
0
A new study shows that there is greater local variation in the impact of solar storms on Earth than previously estimated. Researchers show that the effects can vary widely even over distances as small as 100 kilometers. The ...
Planetary Sciences
Nov 27, 2023
1
243
Through analyses of ice cores from Greenland and Antarctica, a research team led by Lund University in Sweden has found evidence of an extreme solar storm that occurred about 9,200 years ago. What puzzles the researchers ...
Planetary Sciences
Jan 26, 2022
0
837
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 ...
