29 May 2020
Cosmic bursts solve Universe's 'missing matter' problem
... search took an unexpected turn when astronomers discovered a new cosmological phenomenon called a fast radio burst (FRB). These highly energetic pulses of radio emission appear to come from random directions in the sky and last for just milliseconds...
February 2016
Nuclear Flashlamps in Space
...explosion. Limiting the energy output from the detonation to radio wavelengths, if it can be done, could dramatically... an electromagnetic pulse (EMP), a powerful burst of radio emission from the ionized air that surrounds the device, compressed...
28 February 2020
Record-breaking black hole eruption detected by astronomers
...," says Professor Melanie Johnston-Hollitt at the International Centre for Radio Astronomy in Australia who is a co-author on the research ... they saw that the cavity was filled with radio emission from electrons accelerated to almost the speed of ...
August 2020
Interstellar aspirations
... survey a million stars - most of the stars within 300 parsecs - for evidence of radio emissions in the classically identified low-noise part of the radio spectrum. The latter survey requires an array telescope with multiple, electronically pointed...
05 January 2017
Astronomers pinpoint location of mysterious fast radio bursts
..., as in addition to detecting the bright bursts, the VLA observations also revealed an ongoing, persistent source of weaker radio emission in the same region which is typical of a galaxy with an active nucleus. "We do have to keep in mind that this...
14 September 2018
AI helps find new pulses from mysterious FRB source
... identified so far. FRBs are bright pulses of radio emission that last for just milliseconds. Their fleeting appearance ...’s dedicated instrument for scouring the skies to look for spurious radio signals. With a very wide field-of-view, ATA is being...
