Detection of compact faint radio sources of low frequency and total sky observation will be a hot topic in the research of the square kilometer radio array (SKA), and the pre-research on data-oriented algorithms is significant.
Astronomy
Mar 13, 2023
0
39
The Milky Way is our home galaxy in the vast universe, but the structure and composition of the Milky Way remain mysterious. The vast interstellar space between the billions of stars is not empty, but filled with tenuous ...
Astronomy
Dec 13, 2022
0
352
Using a new experimental method, physicists from the Max Planck Institute for Nuclear Physics in Heidelberg investigated the resonant two-photon ionization of helium with improved spectral resolution and angular resolution. ...
Optics & Photonics
Nov 9, 2022
0
15
Aspherical components in optical systems can increase the free design variables without introducing new aberrations. That brings improved imaging quality and reduced size and weight. Aspheric components are widely used in ...
Optics & Photonics
Oct 26, 2022
0
99
Atomic gas is the basic material that all galaxies are formed from. The evolution of galaxies is mostly a procedure of accreting atomic gas from the intergalactic medium and then converting it into stars.
Astronomy
Oct 21, 2022
2
134
A team led by scientists from Tokyo Metropolitan University have created unprecedentedly lightweight optics for X-ray space telescopes, breaking the traditional trade-off between angular resolution and weight. They used Micro ...
Optics & Photonics
Jul 18, 2022
0
24
An international team, including several researchers from the Max Planck Institute for Radio Astronomy in Bonn, has mapped the active galaxy OJ 287 with an angular resolution of 12 microarcseconds in the radio range. This ...
Astronomy
Jan 28, 2022
0
409
An international team of researchers, including scholars from the University of Bologna and the Italian National Astrophysics Institute (INAF), observed for the first time the evolution of warm gas coming from an active black ...
Astronomy
Oct 18, 2021
0
586
In our Milky Way, there are about 200 billion suns as well as large quantities of gas, some of which serves as raw material for star births. The gas collects in compact lumps but also appears as extended molecular clouds. ...
Astronomy
Dec 3, 2020
0
147
By reviving a technique capable of combining specialized gamma-ray telescopes to one giant virtual instrument, scientists have measured the diameters of individual stars hundreds of light-years away. The team used the four ...
Astronomy
Jul 21, 2020
3
543
