News tagged with radio waves

VLA reveals distant galaxy's magnetic field

With the help of a gigantic cosmic lens, astronomers have measured the magnetic field of a galaxy nearly five billion light-years away. The achievement is giving them important new clues about a problem at the frontiers of ...

dateAug 28, 2017 in Astronomy
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Observatories combine to crack open the Crab Nebula

Astronomers have produced a highly detailed image of the Crab Nebula, by combining data from telescopes spanning nearly the entire breadth of the electromagnetic spectrum, from radio waves seen by the Karl G. Jansky Very ...

dateMay 10, 2017 in Astronomy
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Giant magnetic fields in the universe

Astronomers from Bonn and Tautenburg in Thuringia (Germany) used the 100-m radio telescope at Effelsberg to observe several galaxy clusters. At the edges of these large accumulations of dark matter, stellar systems (galaxies), ...

dateMar 22, 2017 in Astronomy
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ALMA's ability to see a 'cosmic hole' confirmed

Researchers using the Atacama Large Millimeter/submillimeter Array (ALMA) successfully imaged a radio "hole" around a galaxy cluster 4.8 billion light-years away. This is the highest resolution image ever taken of such a ...

dateMar 17, 2017 in Astronomy
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Towards mastering terahertz waves?

The terahertz waves span frequency ranges between the infrared spectrum (used, for example, for night vision) and gigahertz waves (which find their application, among other, in Wi-Fi connections). Terahertz waves allow for ...

dateMar 07, 2017 in Optics & Photonics
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