(PhysOrg.com) -- A new image from NASA's Spitzer Space Telescope offers a rare view of an imminent collision between the cores of two merging galaxies, each powered by a black hole with millions of times the mass of the sun. ...
Astronomy
Mar 16, 2009
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0
Despite being close to Earth and having nearly the same size, Venus is another world. Underneath its thick mantle of acid sulfuric clouds, at the surface 460 degrees Celsius are the rule. This temperature is kept by the greenhouse ...
Astronomy
Feb 22, 2022
0
130
Devices that can mimic Superman's X-ray vision and see through clothing, walls or human flesh are the stuff of comic book fantasy, but a group of scientists at Boston University (BU) has taken a step toward making such futuristic ...
Optics & Photonics
May 6, 2010
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Hawking radiation from black holes is very dim, and unlikely to be detected any time soon. Now researchers have created a laboratory experiment that produces detectable Hawking radiation with a laser.
General Physics
Nov 8, 2010
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EPFL physicists propose a new path to detect infrared radiation with outstanding sensitivity, allowing detection of signals as low as that of a single quantum of light.
General Physics
Sep 18, 2020
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274
In January 2022, the largest submarine volcanic eruption of this century led to a dramatic phytoplankton bloom north of the island of Tongatapu, in the Kingdom of Tonga. A team of scientists from the University of Hawai'i ...
Environment
Oct 12, 2022
0
270
An international team of scientists has observed four super-massive black holes at the center of galaxies, which may provide new information on how these central black hole systems operate. Their findings are published in ...
Astronomy
Dec 10, 2009
3
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Most sunlight striking the Earth is absorbed by its surfaces, oceans and atmosphere. As a result of this warming, infrared radiation is emitted constantly all around us-estimated to be millions of Gigawatts per second. A ...
Optics & Photonics
Feb 5, 2018
0
148
As humans, we sniff out different scents and aromas using chemical receptors in our noses. In technological gas detection, however, there are a whole host of other methods available. One such method is to use infrared lasers, ...
Optics & Photonics
Oct 24, 2016
0
504
(Phys.org) —To celebrate its 23rd year in orbit, the NASA/ESA Hubble Space Telescope has released a stunning new image of one of the most distinctive objects in our skies: the Horsehead Nebula. This image shows the nebula ...
Astronomy
Apr 19, 2013
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