Comparing data from VLA sky surveys made some two decades apart revealed that the black hole-powered “engines” at the cores of some distant galaxies have launched new, superfast jets of material during the interval between the surveys.
News
NRAO and GBO Saddened at Loss of Arecibo Telescope
Nov 19, 2020
The National Radio Astronomy Observatory (NRAO) and the Green Bank Observatory (GBO) are saddened by the announcement of the decommissioning of the Arecibo Telescope in Puerto Rico due to recent and devastating structural damage.
IMAGE RELEASE: Galaxies in the Perseus Cluster
Nov 12, 2020
New VLA images show how the crowded environment of a cluster of galaxies affects the individual galaxies, helping astronomers better understand some of the complex details of such an environment.
ALMA Shows Volcanic Impact on Io’s Atmosphere
Oct 21, 2020
New radio images from the Atacama Large Millimeter/submillimeter Array (ALMA) show for the first time the direct effect of volcanic activity on the atmosphere of Jupiter’s moon Io.