Solar transition region supersonic downflows (SDs) are downward falling mass flux toward the sunspots. This phenomenon commonly exists above most sunspots. In IRIS spectra, SDs are often observed as strongly redshifted secondary ...
Astronomy
Apr 6, 2022
0
104
Using a combination of observed stars and a realistic model of the Milky Way, scientists at the Max Planck Institute for Extraterrestrial Physics have found a new structure in our home galaxy. Just outside the galactic bar, ...
Astronomy
Apr 5, 2022
2
180
Often, a spiderweb conjures the idea of captured prey soon to be consumed by a waiting predator. In the case of the "Spiderweb" protocluster, however, objects that lie within a giant cosmic web are feasting and growing, according ...
Astronomy
Mar 31, 2022
0
97
Researchers from Yunnan Observatories of the Chinese Academy of Sciences observed and verified for the first time that the coronal wave train totally reflected at the coronal hole boundary, which provides essential evidence ...
Astronomy
Mar 30, 2022
0
88
Scientists studying V Hydrae (V Hya) have witnessed the star's mysterious death throes in unprecedented detail. Using the Atacama Large Millimeter/submillimeter Array (ALMA) and data from the Hubble Space Telescope (HST), ...
Astronomy
Mar 28, 2022
1
567
Solar prominences are large magnetic structures confining a cool and dense plasma in the hot solar corona. Typically, the prominence plasma is 100 times cooler and denser than its coronal surroundings. This phenomenon raises ...
Astronomy
Mar 21, 2022
0
38
Using the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile, researchers at Leiden Observatory in the Netherlands have for the first time detected dimethyl ether in a planet-forming disc. With nine atoms, this ...
Astronomy
Mar 8, 2022
0
348
Scientists developed a neural network deep learning technique to extract hidden turbulent motion information from observations of the sun. Tests on three different sets of simulation data showed that it is possible to infer ...
Astronomy
Feb 25, 2022
0
94
The shape of galaxies and how they evolve depend on a web of cosmological filaments that run across the universe. According to a recent study headed by EPFL's Laboratory of Astrophysics, this cosmic web plays a much bigger ...
Astronomy
Feb 25, 2022
6
172
Durham University astronomer collaborating with a team of international scientists have mapped more than a quarter of the northern sky using the Low Frequency Array (LOFAR), a pan-European radio telescope.
Astronomy
Feb 25, 2022
0
706
