About 17 years ago, J. Martin Laming, an astrophysicist at the U.S. Naval Research Laboratory, theorized why the chemical composition of the Sun's tenuous outermost layer differs from that lower down. His theory has recently ...
Astronomy
Mar 2, 2021
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14710
These 366 images of the sun were made by ESA's Proba-2 satellite in 2020.
Space Exploration
Jan 7, 2021
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14
The MIAMI-2—Microscopes and Ion Accelerators for Materials Investigations—facility has helped Dr. Matheus Tunes investigate a new alloy that will harden aluminum without increasing its weight significantly.
Materials Science
Dec 7, 2020
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41
More than 40 years since they launched, the Voyager spacecraft are still making discoveries.
Astronomy
Dec 3, 2020
2
478
The sun has entered its 25th solar cycle and is about to wake up. For the last few years our star has been pretty sleepy, with few sunspots, bright flares or massive ejections of magnetized plasma emanating from its surface. ...
Astronomy
Oct 30, 2020
1
557
Modeling of an extreme space weather event that narrowly missed Earth in 2012 shows it could have been even worse if paired with another event.
Astronomy
Sep 29, 2020
0
145
Solar flares and coronal mass ejections (CME) are the most spectacular eruptive activities in the solar system. Large solar flares and CMEs can bring disastrous space weather, destroy our satellite and navigation system, ...
Astronomy
Sep 10, 2020
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11
Scientists at Skolkovo Institute of Science and Technology (Skoltech), together with international colleagues, have developed a method to study fast coronal mass ejections, powerful bursts of magnetized matter from the outer ...
Space Exploration
Aug 17, 2020
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24
In a study published in The Astrophysical Journal, Dr. MEI Zhixing in Yunnan Observatories of the Chinese Academy of Sciences and his colleagues reported a Magnetohydrodynamical (MHD) numerical study on the coronal mass ejection ...
Astronomy
Jul 29, 2020
120
363
NASA has approved the Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites (TRACERS) mission to proceed to Phase B, which marks the transition from concept study to preliminary flight design. The satellites, ...
Space Exploration
Jun 22, 2020
0
5
