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

Black holes -- gas blowers of the Universe

(PhysOrg.com) -- Supermassive black holes with the mass of many millions of stars have been detected at the centre of many large galaxies. A super-massive black hole acts like a lurking "monster" at the centre ...

May 11, 2010
5 / 5 (3) 0 | 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

Allen Telescope Array begins all-sky surveys

(PhysOrg.com) -- With commissioning of the 42 radio dishes of the Allen Telescope Array (ATA) nearly complete, UC Berkeley astronomers are now embarking on several major radio astronomy projects, including daily surveys of ...

May 28, 2009
4.5 / 5 (8) 0