News tagged with radio telescopes

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Fermi maps an active galaxy's 'smokestack plumes'

If our eyes could see radio waves, the nearby galaxy Centaurus A (Cen A) would be one of the biggest and brightest objects in the sky, nearly 20 times the apparent size of a full moon. What we can't see when ...

Apr 01, 2010
5 / 5 (6) 1 | with audio podcast

Honey, I shrunk the receiver

(PhysOrg.com) -- CSIRO and Australian company Sapphicon Semiconductor Pty Ltd have signed an agreement to jointly develop a complete radio receiver on a chip measuring just 5 mm x 5 mm that could eventually ...

Mar 17, 2010
4.8 / 5 (4) 0

First signal received by future telescope

An historic milestone was reached recently in Australia's bid to host the Square Kilometre Array telescope - a future international radio telescope that will be the world's largest and most sensitive.

Mar 03, 2010
4.2 / 5 (13) 0

Massive stars' magnetically controlled diets

(PhysOrg.com) -- A team of astronomers, led by Dr. Wouter Vlemmings at Bonn University, has used the MERLIN radio telescope network centred on the Jodrell Bank Observatory to show that magnetic fields play ...

Feb 18, 2010
4.9 / 5 (7) 4 | with audio podcast

ET: Check your voicemail

(PhysOrg.com) -- Alien beings on faraway planets may not have noticed, but it’s been 35 years since human beings made the first deliberate effort to send them a message.

Nov 24, 2009
3.9 / 5 (7) 7

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