Astronomers using the National Science Foundation's Karl G. Jansky Very Large Array (VLA) have discovered new details that are helping them decipher the mystery of how giant radio-emitting structures are formed at the center ...
Astronomy
Jun 13, 2017
3
53
A team led from the Instituto de Astrofísica de Canarias (IAC) has found the most precise way ever to measure the rate at which stars form in galaxies using their radio emission at 1-10 Gigahertz frequency range.
Astronomy
Feb 21, 2017
0
3875
A blazar is a galaxy whose central nucleus is bright at wavelengths from the low energy radio band to high energy gamma rays (each gamma ray photon is over a hundred million times more energetic than the X-rays seen by the ...
Astronomy
Jan 30, 2017
0
36
Mini-jets of material ejected from a central supermassive black hole appear to be the culprits behind faint radio wave emissions in 'radio-quiet' quasars. A study of gravitationally lensed images of four radio-quiet quasars ...
Astronomy
Jul 1, 2016
1
500
Last February a team of astronomers reported detecting an afterglow from a mysterious event called a fast radio burst, which would pinpoint the precise position of the burst's origin, a longstanding goal in studies of these ...
Astronomy
Apr 4, 2016
0
1166
The center of our Milky Way galaxy is a mysterious place. Not only is it thousands of light-years away, it's also cloaked in so much dust that most stars within are rendered invisible. Harvard researchers are proposing a ...
Astronomy
Sep 22, 2015
1
203
The Search for Extraterrestrial Intelligence (SETI) project got a $100 million boost this week from Russian billionaire Yuri Milner. While this may seem like a lot of money to spend on a nearly impossible task, many astronomers ...
Astronomy
Jul 22, 2015
1
194
Thanks to the extraordinary sensitivity of the Karl G. Jansky Very Large Array (VLA), astronomers have detected what they believe is the long-sought radio emission coming from a supermassive black hole at the center of one ...
Astronomy
Jun 17, 2015
11
1241
How is lightning initiated in thunderclouds? This is difficult to answer - how do you measure electric fields inside large, dangerously charged clouds? It was discovered, more or less by coincidence, that cosmic rays provide ...
General Physics
Apr 22, 2015
0
73
When galaxies collide, the central supermassive black holes that reside at their cores will end up orbiting one another in a binary pair, at least according to current simulations. Einstein's general theory of relativity ...
Astronomy
Jan 26, 2015
2
1297
