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
Nature likes spirals—from the whirlpool of a hurricane, to pinwheel-shaped protoplanetary disks around newborn stars, to the vast realms of spiral galaxies across our universe.
Astronomy
Sep 8, 2022
0
181
The eruption of a solar filament produces a coronal mass ejection, which is a major driver of space weather. Understanding how filaments erupt is thus essential for space weather forecasting.
Astronomy
Sep 7, 2022
1
77
By harnessing the capabilities of the 8.1-meter Gemini South telescope in Chile, which is part of the International Gemini Observatory operated by NSF's NOIRLab, astronomers have obtained the sharpest image ever of the star ...
Astronomy
Aug 19, 2022
3
95
When scientists unveiled humanity's historic first image of a black hole in 2019—depicting a dark core encircled by a fiery aura of material falling toward it—they believed even richer imagery and insights were waiting ...
Astronomy
Aug 16, 2022
2
1113
The first pulsar was discovered in 1967. With an increase in pulsar observations, astronomers have found that some pulsars have a proper motion velocity greater than 1000 km/s, and the number of such pulsars is growing each ...
Astronomy
Aug 12, 2022
1
356
