Pulsar signals obtained with radio telescopes are extremely weak. Generally, there are two primary difficulties in pulsar signal processing—one is the radio-frequency interference (RFI) mitigation, and the other one is ...
Astronomy
Oct 10, 2022
0
32
Scientists at UC Riverside are suggesting something is missing from the typical roster of chemicals that astrobiologists use to search for life on planets around other stars—laughing gas.
Astrobiology
Oct 4, 2022
1
1045
Mode changing is an emission phenomenon where the mean pulse profile abruptly changes between two or sometimes more stable states. In theory, the changes of the current flow in the inner acceleration region or pulsar magnetosphere ...
Astronomy
Sep 30, 2022
0
4
The very first stars likely formed when the universe was only 100 million years old, less than one percent its current age. These first stars—known as Population III—were so titanically massive that when they ended their ...
Astronomy
Sep 28, 2022
0
2311
Prof. Yan Xiaoli from Yunnan Observatories of the Chinese Academy of Sciences and Li Qiaoling, a post-doctor from Yunnan University, have determined the bright-magnetic relationship for decaying sunspots for the first time.
Astronomy
Sep 26, 2022
0
29
How old is our universe, and what is its size? A team of researchers led by University of Hawaiʻi at Mānoa astronomers Brent Tully and Ehsan Kourkchi from the Institute for Astronomy have assembled the largest-ever compilation ...
Astronomy
Sep 26, 2022
0
48
Researchers from the Yunnan Observatories of the Chinese Academy of Sciences and their collaborators reproduced the observed transmission spectra of the exoplanet WASP-52b at different wavelength bands and studied the properties ...
Planetary Sciences
Sep 19, 2022
0
5
Dr. Li Shasha and Dr. Feng Haicheng from the Yunnan Observatories of the Chinese Academy of Sciences and their collaborators found evidence for the kinematic evolution of the broad-line region of active galactic nuclei.
Astronomy
Sep 13, 2022
0
10
While astronomers have seen the debris from scores of exploded stars in the Milky Way and nearby galaxies, it is often difficult to determine the timeline of the star's demise. By studying the spectacular remains of a supernova ...
Astronomy
Sep 12, 2022
0
386
A study co-led by physicists at UC Riverside and UC Irvine has found that dark matter halos of ultra-diffuse galaxies are very odd, raising questions about physicists' understanding of galaxy formation and the structure of ...
Astronomy
Sep 12, 2022
1
250
