New model connects the origins of very high-energy neutrinos, ultrahigh-energy cosmic rays, and high-energy gamma rays with black-hole jets embedded in their environments.
General Physics
Jan 22, 2018
7
763
Researchers have identified a new blazar-like narrow-line Seyfert 1 galaxy that emits gamma-ray radiation. The new galaxy, designated SDSS J211852.96−073227.5, could offer insights into formation and evolution of jets of ...
The afterglow from the distant neutron-star merger detected last August has continued to brighten - much to the surprise of astrophysicists studying the aftermath of the massive collision that took place about 138 million ...
Astronomy
Jan 18, 2018
24
486
Gamma ray bursts, intense explosions of light, are the brightest events ever observed in the universe – lasting no longer than seconds or minutes. Some are so luminous that they can be observed with the naked eye, such ...
General Physics
Jan 15, 2018
2
45
Astronomers at W. M. Keck Observatory have successfully met a major milestone after capturing the very first science data from Keck Observatory's newest instrument, the Caltech-built Near-Infrared Echellette Spectrometer ...
Astronomy
Jan 8, 2018
0
15
Three months of observations with the National Science Foundation's Karl G. Jansky Very Large Array (VLA) have allowed astronomers to zero in on the most likely explanation for what happened in the aftermath of the violent ...
Astronomy
Dec 20, 2017
5
1820
Where does gold, the precious metal coveted by mortals through the ages, come from? How, where and when was it produced? Last August, a single astrophysical observation finally gave us the key to answer these questions. The ...
Astronomy
Dec 18, 2017
1
70
Two years ago, scientists from the Laser Interferometer Gravitational-Wave Observatory (LIGO) detected gravitational waves for the first time, proving Einstein's theory of relativity and his prediction of their existence. ...
Astronomy
Dec 14, 2017
1
19
Don't be fooled! The cosmic swirl of stars in this NASA/ESA Hubble Space Telescope image may seem tranquil and unassuming, but this spiral galaxy, known as ESO 580-49, actually displays some explosive tendencies.
Astronomy
Dec 11, 2017
0
8
A storm system approaches: the sky darkens, and the low rumble of thunder echoes from the horizon. Then without warning... Flash! Crash!—lightning has struck.
General Physics
Nov 22, 2017
31
2882
