Solar sympathetic filament eruptions usually involve two or more filament eruptions that occur simultaneously or successively within a relatively short time interval with a certain causal linkage. The eruption of one filament ...
Astronomy
Feb 3, 2023
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After 30 years in orbit, mission operations for the joint NASA-JAXA Geotail spacecraft have ended, after the failure of the spacecraft's remaining data recorder.
Space Exploration
Jan 18, 2023
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18
Magnetic reconnection is a universal process that changes magnetic topology and converts magnetic energy to plasma kinetic energy. Spatially resolved spectroscopic observations covering extended regions in the solar atmosphere ...
Astronomy
Jan 18, 2023
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41
A team of researchers affiliated with multiple institutions in China, working at the Shanghai National Laboratory of High-Power Laser Physics, has conducted measurements of accelerating electrons from a magnetically driven ...
Solar spicules are small-scale, beam-like, cold-plasma-ejected phenomena that constitute an important component of the chromosphere. Macrospicules are chromospheric spicules at a larger spatial scale.
Astronomy
Jan 12, 2023
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10
In June 2021, NASA's Juno spacecraft flew close to Ganymede, Jupiter's largest moon, observing evidence of magnetic reconnection. A team led by Southwest Research Institute used Juno data to examine the electron and ion particles ...
Astronomy
Jan 10, 2023
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723
Scientists with NASA's Parker Solar Probe mission have uncovered significant new clues about the origins of the solar wind—a continual stream of charged particles released from the Sun that fills the solar system.
Astronomy
Jan 10, 2023
35
198
This video chronicles solar activity from Aug. 12 to Dec. 22, 2022, as captured by NASA's Solar Dynamics Observatory (SDO). From its orbit in space around Earth, SDO has steadily imaged the sun in 4K x 4K resolution for nearly ...
Astronomy
Jan 9, 2023
0
9
Neutron stars and black holes may be stellar corpses, but they are among the most active celestial objects. They produce some of the highest-energy radiation ever observed, and scientists have long puzzled over the physics ...
Plasma Physics
Jan 6, 2023
0
515
Quasi-periodic pulsations (QPPs; also known as quasi-periodic oscillations, i.e., QPOs) are electromagnetic emission phenomena that vary quasi-periodically with time. They appear in celestial transient events with different ...
Astronomy
Jan 4, 2023
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