A group of researchers has identified and characterized for the first time in a complete way a powerful eruption in the atmosphere of the active star HR 9024, marked by an intense flash of X-rays followed by the emission ...
Astronomy
Jun 3, 2019
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The sun is the brightest object in the sky, and probably the most studied celestial object. Surprisingly, it still hosts mysteries that scientists have been trying to unravel for decades, for example, the origin of coronal ...
Astronomy
Apr 16, 2019
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72
Three mathematicians and a physicist from the Universitat Autònoma de Barcelona (UAB), the Mathematics Research Centre (CRM) and the Barcelona Graduate School of Mathematics (BGSMath) propose a mathematical model to make ...
Mathematics
Mar 12, 2019
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5
[VID=55657]Coronal mass ejections originating from the sun and propagating through interplanetary space are responsible for turbulent space weather. They can have severe effects on Earth, leading to disturbances in air traffic ...
Space Exploration
Mar 7, 2019
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23
ESA is planning Earth's first dedicated space weather observatory to warn of potentially harmful turbulence in our parent star. Like a referee at a sports game, the Lagrange spacecraft will be able to observe both the sun ...
Space Exploration
Mar 6, 2019
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14
Many people hope to catch a glimpse of these reddish-green swirls of colour floating in the polar skies. Few are as lucky as ESA astronaut Tim Peake, who captured this dazzling display of the aurora Australis from the International ...
Space Exploration
Mar 6, 2019
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11
Geomagnetic activity caused by our star recently created a stir in the skies over Iceland, resulting in the seeming electrification of the night, as captured here by photographer Ollie Taylor.
Space Exploration
Feb 22, 2019
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36
Scientists have discovered tadpole-shaped jets coming out of regions with intense magnetic fields on the Sun. Unlike those living on Earth, these "tadpoles"—formally called pseudo-shocks—are made entirely of plasma, the ...
Space Exploration
Feb 19, 2019
2
224
This montage of 365 images shows the changing activity of our sun through the eyes of ESA's Proba-2 satellite during 2018. The images were taken by the satellite's SWAP camera, which works at extreme ultraviolet wavelengths ...
Space Exploration
Jan 28, 2019
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24
Weeks after Parker Solar Probe made the closest-ever approach to a star, the science data from the first solar encounter is just making its way into the hands of the mission's scientists. It's a moment many in the field have ...
Space Exploration
Dec 13, 2018
1
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