The Sun is much more than just a source of light for Earth—it's a dynamic and complex star, with storms, flares, and movement causing it to change constantly. Magnetic fields govern most of the solar activity we can observe ...
Astronomy
Nov 22, 2022
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Solar Orbiter has spotted a "tube" of cooler atmospheric gases snaking its way through the sun's magnetic field. The observation provides an intriguing new addition to the zoo of features revealed by the ESA-led Solar Orbiter ...
Astronomy
Nov 14, 2022
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20
Roughly a half-century ago, astronomers realized that the powerful radio source coming from the center of our galaxy (Sagitarrius A*) was a "monster" black hole. Since then, they have found that supermassive black holes (SMBHs) ...
Astronomy
Nov 1, 2022
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108
The sun was in a good mood this week, or at least that's what it looked like in a photo published by NASA.
Astronomy
Oct 28, 2022
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The ESA-led Solar Orbiter mission has experienced its second close encounter with the sun. It is delivering more stunning data, and at higher resolution than ever before.
Astronomy
Oct 27, 2022
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42
To assess damage caused to the ozone layer by charged particles in space that surround the Earth, an international team of researchers from Japan, the United States, and Canada studied a type of aurora called an "isolated ...
Planetary Sciences
Oct 12, 2022
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58
Researchers studying intermediate to large earthquakes in California have discovered detectable changes in the local magnetic field that occur 2–3 days before an earthquake. In a study now published in Journal of Geophysical ...
Earth Sciences
Oct 7, 2022
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684
Galaxies, including our Milky Way, host supermassive black holes in their centers, and their masses are millions to billions of times larger than the sun. Some supermassive black holes launch fast-moving plasma outflows which ...
Astronomy
Sep 30, 2022
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485
With data from its closest pass of the sun yet, the ESA/NASA Solar Orbiter spacecraft has found compelling clues as to the origin of magnetic switchbacks, and points towards how their physical formation mechanism might help ...
Astronomy
Sep 12, 2022
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76
Crystals doped with rare-earth (RE) ions exhibit very narrow linewidths of optical transitions. The narrow-line spectra of triply ionized RE elements cover the entire visible and infrared range. RE-doped materials are widely ...
Optics & Photonics
Sep 7, 2022
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