A team of Japanese astronomers used simultaneous ground-based and space-based observations to capture a more complete picture of a superflare on a star. The observed flare started with a very massive, high-velocity prominence ...
Astronomy
Apr 28, 2023
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137
An old NASA satellite that studied the sun for more than a decade fell to Earth over the Sahara Desert, the space agency reported Thursday.
Space Exploration
Apr 20, 2023
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80
Imagine you traveled thousands of miles to see a total solar eclipse, but as the Moon began moving in front of the Sun, the sky grows cloudy, blocking your view of the unique celestial spectacle.
Space Exploration
Apr 19, 2023
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3
An old NASA satellite is expected to fall to Earth this week, but experts tracking the spacecraft say chances are low it will pose any danger.
Space Exploration
Apr 18, 2023
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8
On March 23, sky observers marveled at a gorgeous display of northern and southern lights. It was reminder that when our sun gets active, it can spark a phenomenon called "space weather." Aurorae are among the most benign ...
Planetary Sciences
Apr 3, 2023
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116
As questions abound about the Earth's closest star, scientists are seeking answers critical to forecasting solar flares that threaten satellites and other electronics.
Astronomy
Mar 30, 2023
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26
A massive eruption of solar material, known as a coronal mass ejection or CME, was detected escaping from the sun at 11:36 p.m. EDT on March 12, 2023.
Astronomy
Mar 15, 2023
0
131
Coronal mass ejections (CMEs) are large expulsions of magnetized plasma from the sun. Determining the spatial and temporal evolution characteristics of CMEs, especially their possible periodic patterns, is valuable for establishing ...
Astronomy
Feb 23, 2023
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18
Sunspots are the most noticeable manifestation of solar magnetic field concentrations in the photosphere. A typical mature sunspot has an umbra and a penumbra. Light bridges (LBs) are the strip-like bright features, two ends ...
Astronomy
Jan 18, 2023
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36
In early September 1859, the Northern Lights could suddenly be seen as far south as the Caribbean. The cause was a geomagnetic solar storm—specifically a coronal mass ejection, now dubbed the Carrington Event, after the ...
Planetary Sciences
Nov 23, 2022
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50
