Small modeling errors may accumulate faster than previously expected when physicists combine multiple gravitational wave events (such as colliding black holes) to test Albert Einstein's theory of general relativity, suggest ...
General Physics
Jun 16, 2021
3
568
Research from Penn's Department of Physics and Astronomy has produced the largest catalog of galaxy morphology classification to date. Led by former postdocs Jesús Vega-Ferrero and Helena Domínguez Sánchez, who worked ...
Astronomy
Apr 12, 2021
1
122
This image taken with the NASA/ESA Hubble Space Telescope features NGC 7678—a galaxy with one particularly prominent arm, located approximately 164 million light-years away in the constellation of Pegasus (the Winged Horse).
Astronomy
Mar 29, 2021
0
225
Astronomers have played a game of guess-the-numbers with cosmological implications. Working from a mock catalog of galaxies prepared by a Japanese team, two American teams correctly guessed the cosmological parameters used ...
Astronomy
Mar 19, 2021
1
2594
The measurement of the acceleration of our solar system by astronomers of TU Dresden is a scientific highlight of the third Gaia catalog, which is now being released. With its publication on December 3, 2020, at 12:00 , the ...
Astronomy
Dec 03, 2020
15
18
A team of astronomers at the University of Hawaiʻi at Mānoa Institute for Astronomy (IfA) has produced the world's largest three-dimensional astronomical imaging catalog of stars, galaxies and quasars. The team used data ...
Astronomy
Oct 09, 2020
9
636
Breakthrough Listen, the initiative to find signs of intelligent life in the universe, today released an innovative catalog of "Exotica"—a diverse list of objects of potential interest to astronomers searching for technosignatures ...
Astronomy
Jun 23, 2020
0
123
An international team of astronomers has identified nearly 21,000 low-surface-brightness galaxies (LSBGs) in the Dark Energy Survey (DES). The detection of such a huge sample could be essential to improving our knowledge ...
Infrared dark clouds (IRDCs) are dark patches of cold dust and gas seen in the sky against the bright diffuse infrared glow of warm dust in our galaxy. These IRDCs, massive and rich in molecules, are natural sites for star ...
Astronomy
Jun 05, 2020
0
658
The 2019 Ridgecrest earthquake sequence, which startled nearby California residents over the 4 July holiday with magnitude 6.4 and magnitude 7.1 earthquakes, included 34,091 earthquakes overall, detailed in a high-resolution ...
Earth Sciences
Jan 22, 2020
0
26
