A vast galaxy cluster lurks in the center of this image from the NASA/ESA Hubble Space Telescope. Like a submerged sea monster causing waves on the surface, this cosmic leviathan can be identified by the distortions in spacetime ...
Astronomy
May 15, 2023
0
11
A massive galaxy cluster in the constellation Cetus dominates the center of this image from the NASA/ESA Hubble Space Telescope. This image is populated with a serene collection of elliptical and spiral galaxies, but galaxies ...
Astronomy
Feb 24, 2023
0
35
A research team with participation by Berkeley Lab physicists has used artificial intelligence to identify more than 1,200 possible gravitational lenses—objects that can be powerful markers for the distribution of dark ...
Astronomy
Feb 3, 2021
0
37
In 1960, famed theoretical physicist Freeman Dyson made a radical proposal. In a paper titled "Search for Artificial Stellar Sources of Infrared Radiation," he suggested that advanced extra-terrestrial intelligences (ETIs) ...
Astronomy
May 20, 2019
1
444
This study, which has combined images from the Hubble Space Telescope with spectroscopic observations from the GTC, has confirmed the existence of a new example of a gravitational lens, a phenomenon predicted by Albert Einstein's ...
Astronomy
Mar 18, 2019
25
6639
Astronomers from the United States Naval Observatory (USNO) in conjunction with colleagues from the University of California, Davis, and Rutgers University have discovered the first quadruple gravitational lens candidate ...
Astronomy
Jul 25, 2017
0
11
Thanks to an amplified image produced by a gravitational lens, and the Gran Telescopio CANARIAS a team of scientists from the Polytechnic University of Cartagena and the Instituto de Astrofísica de Canarias have discovered ...
Astronomy
Jul 14, 2017
0
36
(Phys.org) —In this new Hubble image two objects are clearly visible, shining brightly. When they were first discovered in 1979, they were thought to be separate objects—however, astronomers soon realized that these twins ...
Astronomy
Jan 27, 2014
1
0
(Phys.org) —Bright arcs are smeared around the heart of galaxy cluster Abell S1077 in this image taken by the NASA/ESA Hubble space telescope. The arcs are stretched images of distant galaxies distorted by the cluster's ...
Astronomy
May 15, 2013
5
0
(PhysOrg.com) -- One of the most bizarre predictions of Einstein's Theory of General Relativity is the existence of back holes, objects that are so dense that not even light can escape from their gravitational grasp. A related ...
Astronomy
Feb 9, 2012
5
0
