News tagged with radio wavelengths

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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

The outbursts of Fornax

(PhysOrg.com) -- The galaxy Fornax A, at a distance of about 74 million light-years, is one of the nearest and brightest galaxies with giant radio lobes. These huge radio lobes -- they span a million light-years ...

Oct 01, 2010 5 / 5 (7) 4 | with audio podcast

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

Seeing the Invisible

(PhysOrg.com) -- Astronomers, like physicians, use as much of the electromagnetic spectrum as they can, from X-ray to radio wavelengths, to examine their subjects the with the most suitable diagnostics.

May 17, 2010 4.8 / 5 (12) 1 | with audio podcast

Pulsars in many octaves

A unique combination of telescopes allowed astronomers to simultaneously observe the radio wavelength light from six different pulsars across wavelengths from only 3.5 centimetres up to 7 metres - a difference-factor ...

Apr 22, 2010 4.5 / 5 (6) 1 | with audio podcast

X-Ray Jets from Galaxies

(PhysOrg.com) -- Some dramatic galaxies eject gigantic, collimated jets of ionized gas millions of light-years long, powered by the massive black holes at their centers. The ionized jets are detected at radio ...

Oct 19, 2009 4.6 / 5 (5) 1

Making Massive Stars

(PhysOrg.com) -- Our understanding of star formation leans heavily on observations of stars like the sun, namely, those that are modest in mass and that are born and evolve at a relatively leisurely pace. ...

Sep 15, 2009 4.3 / 5 (3) 0