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
(PhysOrg.com) -- Scientists have used the NASA/ESA Hubble Space Telescope to observe a quasar accretion disc -- a glowing disc of matter that is slowly being sucked into its galaxy's central black hole. Their study makes ...
Astronomy
Nov 4, 2011
18
0
A trio of physicists from the National Autonomous University of Mexico and Tec de Monterrey has solved a 2,000-year-old optical problem—the Wasserman-Wolf problem. In their paper published in the journal Applied Optics, ...
On July 19, 1952, Palomar Observatory was undertaking a photographic survey of the night sky. Part of the project was to take multiple images of the same region of sky, to help identify things such as asteroids. At around ...
Astronomy
Oct 23, 2023
10
437
A group of astronomers led by University of California, Davis has obtained new data that suggest the universe is expanding more rapidly than predicted.
Astronomy
Oct 23, 2019
89
7182
It's challenging to make predictions, especially in astronomy. There are however, a few forecasts astronomers can depend on, such as the timing of upcoming lunar and solar eclipses and the clockwork return of some comets.
Astronomy
Sep 13, 2021
7
1865
Using a single lens that is about one-thousandth of an inch thick, researchers have created a camera that does not require focusing. The technology offers considerable benefits over traditional cameras such as the ones in ...
Optics & Photonics
Mar 12, 2020
5
6157
Inspired perhaps by Harry Potter's invisibility cloak, scientists have recently developed several ways—some simple and some involving new technologies—to hide objects from view. The latest effort, developed at the University ...
General Physics
Sep 27, 2014
3
3
(Phys.org) -- A Bellevue, Washington, company specializing in display technology based on eyewear and contact lenses has sealed a deal with DARPA. Innovega, which says its technology can open a “new dimension to virtual ...
NASA said Friday the first cosmic images from the James Webb Space Telescope will include unprecedented views of distant galaxies, bright nebulae, and a faraway giant gas planet.
Astronomy
Jul 8, 2022
6
2633
