News tagged with radio wavelengths

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Breakthrough for post-4G communications

(PhysOrg.com) -- With much of the mobile world yet to migrate to 3G mobile communications, let alone 4G, European researchers are already working on a new technology able to deliver data wirelessly up to 12.5Gb/s.

Mar 05, 2009
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Fermi telescope unveils a dozen new pulsars

(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope has discovered 12 new gamma-ray-only pulsars and has detected gamma-ray pulses from 18 others. The finds are transforming our understanding of how these ...

Jan 06, 2009
4.5 / 5 (4) 1

New molecules detected in Io's atmosphere

Io – Jupiter's innermost Galilean moon – is the most geologically active body in the Solar System. With over 400 active volcanic regions, plumes of sulfur can climb as high as 300 miles above the surface. ...

Sep 19, 2013
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Hubble focuses on 'the great attractor'

(Phys.org)—A busy patch of space has been captured in this image from the NASA/ESA Hubble Space Telescope. Scattered with many nearby stars, the field also has numerous galaxies in the background.

Jan 23, 2013
4.5 / 5 (10) 1

Fireworks in the early universe

Galaxies in the early universe grew fast by rapidly making new stars. Such prodigious star formation episodes, characterized by the intense radiation of the newborn stars, were often accompanied by fireworks ...

Sep 28, 2012
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Distorting the lens

(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 ...

Feb 09, 2012
5 / 5 (3) 5

The murmur of a monster

The Andromeda galaxy is the nearest large galaxy to our Milky Way. Like the Milky Way, it has a spiral-arm structure with a massive black hole at its nucleus. Unlike the Milky Way, however, its black hole ...

Feb 28, 2011
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The power of spin

(PhysOrg.com) -- Supermasssive black holes - objects with masses of millions or billions of suns - are found at the nuclei of dramatic galaxies like quasars where they are responsible for some of the most ...

Jan 28, 2011
4.3 / 5 (9) 5

An astronomer's field of dreams

(PhysOrg.com) -- An innovative new radio telescope array under construction in central New Mexico will eventually harness the power of more than 13,000 antennas and provide a fresh eye to the sky. The antennas, ...

Jan 26, 2011
5 / 5 (5) 1

X-Ray Jets

(PhysOrg.com) -- The supermassive black holes that lie at the centers of galaxies can spawn tremendous bipolar jets of atomic particles.

Sep 07, 2010
4.6 / 5 (8) 1