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1,342 articles

Hinode, IRIS, and ATERUI cooperate on 70-year-old solar mystery
Aug 25, 2015 (SPX)
Solar physicists have captured the first direct observational signatures of resonant absorption, thought to play an important role in solving the "coronal heati...
NCAR's solar lab to celebrate 75th anniversary
Aug 21, 2015 (SPX)
The High Altitude Observatory (HAO) of the National Center for Atmospheric Research (NCAR) is celebrating its 75th anniversary, a milestone in an ongoing quest ...
Equatorial regions are prone to disruptive space weather, new study finds
Aug 18, 2015 (SPX)
Extreme space weather has long been seen as a threat to electrical grids in high-latitude regions of the northern and southern hemispheres. A new study finds th...
Scientists provide new tools for predicting arrival, impact of solar storms
Aug 12, 2015 (SPX)
When the sun hurls a billion tons of high-energy particles and magnetic fields into space at speeds of more than a million miles per hour and the "space weather...
Sunspot history suggests recent climate change not due to solar trends
Aug 10, 2015 (SPX)
The Maunder Minimum, between 1645 and 1715, when sunspots were scarce and the winters harsh, strongly suggests a link between solar activity and climate change....
Can solar events trigger birth defects on Earth
Jul 21, 2015 (SPX)
Studies find airplane crews at high altitude are exposed to potentially harmful levels of radiation from cosmic rays. "Neutrons which don't reach the ground do ...
Sun's activity controls Greenland temperatures
Jul 17, 2015 (SPX)
The sun's activity could be affecting a key ocean circulation mechanism that plays an important role in regulating Greenland's climate, according to a new study...
Does the solar magnetic field show a North-South divide?
Jul 10, 2015 (SPX)
A study of jets travelling through the Sun's corona at speeds between 200-500 kilometres per second has shown that the fast-moving columns of plasma are deflect...
Searing Sun Seen in X-rays
Jul 09, 2015 (JPL)
X-rays light up the surface of our sun in a bouquet of colors in this new image containing data from NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR. Th...
Researchers find link between some arthritis types and with solar cycles
Jun 17, 2015 (SPX)
What began as a chat between husband and wife has evolved into an intriguing scientific discovery. The results, published in May in BMJ (formerly British Medica...
New tool could track space weather 24 hours before reaching Earth
Jun 14, 2015 (SPX)
Our sun is a volatile star: explosions of light, energy and solar materials regularly dot its surface. Sometimes an eruption is so large it hurls magnetized mat...
New tool could predict large solar storms more than 24 hours in advance
Jun 14, 2015 (SPX)
Large magnetic storms from the Sun, which affect technologies such as GPS and utility grids, could soon be predicted more than 24 hours in advance. Coronal mass...
Comparative analyses of current 3-dimensional solar wind models
Jun 05, 2015 (SPX)
Space Weather research programs began around the world in the 1990's. Presently, three larger research groups are modeling key portions of the solar-terrestrial...
Similarities between aurorae on Mars and Earth
May 31, 2015 (SPX)
An international team of researchers has for the first time predicted the occurrence of aurorae visible to the naked eye on a planet other than Earth. Mars' upp...
Using a sounding rocket to help calibrate NASA's SDO
May 22, 2015 (SPX)
Watching the sun is dangerous work for a telescope. Solar instruments in space naturally degrade over time, bombarded by a constant stream of solar particles th...
UH-led team observes the solar eclipse over the Arctic
May 05, 2015 (SPX)
The international Solar Wind Sherpas team, led by Dr. Shadia Habbal of the University of Hawaii at Manoa Institute for Astronomy, braved Arctic weather to succe...
Strong Evidence For Coronal Heating Theory
May 03, 2015 (SPX)
The sun's surface is blisteringly hot at 10,340 degrees Fahrenheit - but its atmosphere is another 300 times hotter. This has led to an enduring mystery for tho...
New Solar Telescope Unveils Complex Dynamics of Sunspots' Dark Cores
May 03, 2015 (SPX)
Groundbreaking images of the Sun captured by scientists at NJIT's Big Bear Solar Observatory (BBSO) give a first-ever detailed view of the interior structure of...
Multifractals suggests existence of unknown physical mechanism on the Sun
May 03, 2015 (SPX)
The famous sunspots on the surface of the Earth's star result from the dynamics of strong magnetic fields, and their numbers are an important indicator of the s...
Strong Evidence for Coronal Heating by Nanoflares
May 01, 2015 (SPX)
The Sun's surface is blisteringly hot at 6,000 kelvins or 10,340 degrees Fahrenheit - but its atmosphere is another 300 times hotter. This has led to an endurin...
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