M84: 'H' is for hot and huge in Chandra image
With a single letter seemingly etched in the X-ray glow around it, a giant black hole at the center of a massive elliptical galaxy is making a mark on its surroundings.
With a single letter seemingly etched in the X-ray glow around it, a giant black hole at the center of a massive elliptical galaxy is making a mark on its surroundings.
Astronomy
May 4, 2023
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92
An improvement to a Nobel Prize-winning technology called a frequency comb enables it to measure light pulse arrival times with greater sensitivity than was previously possible—potentially improving measurements of distance ...
Optics & Photonics
Oct 24, 2022
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13
COSMIC SETI (the Commensal Open-Source Multimode Interferometer Cluster Search for Extraterrestrial Intelligence) took a big step towards using the National Science Foundation's Karl G. Jansky Very Large Array (VLA) for 24/7 ...
Astronomy
Apr 4, 2022
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105
Researchers have developed a new analog photonic correlator that can be used to locate an object transmitting a radio signal. Because the new correlator is faster than other methods and works with a wide range of radio frequency ...
Optics & Photonics
Mar 24, 2022
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47
Using the Giant Metrewave Radio Telescope (GMRT), Indian astronomers have conducted radio observations of a galaxy cluster known as Abell 725. Results of this observational campaign deliver important information regarding ...
Astronomers have identified a rare moment in the life of some of the universe's most energetic objects. Quasars were first observed 60 years ago, but their origins still remain a mystery. Now researchers at Durham University, ...
Astronomy
Aug 7, 2019
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807
Certain ranges of frequency across the electromagnetic spectrum are reserved by regulators for particular applications: TV, digital radio, Wi-Fi, Bluetooth etc. Unregulated devices are precluded from broadcasting on these ...
Engineering
May 30, 2019
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5
An international team of over 200 astronomers, including scientists from MIT's Haystack Observatory, has captured the first direct images of a black hole. They accomplished this remarkable feat by coordinating the power of ...
Astronomy
Apr 11, 2019
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Television remains the biggest source of news for Americans, with print losing further ground to digital services, a survey showed Monday.
Internet
Dec 3, 2018
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9
An EU-funded project, FABULOUS (FDMA Access By Using Low-cost Optical Network Units in Silicon Photonics), has created innovative new components to be used in digital telecommunications including digital radio, television ...
Telecom
Jul 25, 2016
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16