News tagged with radio telescopes

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Discovery of Saturn's auroral heartbeat

(PhysOrg.com) -- An international team of scientists led by Dr Jonathan Nichols of the University of Leicester has discovered that Saturn’s aurora, an ethereal ultraviolet glow which illuminates Saturn’s ...

Aug 04, 2010
5 / 5 (2) 2 | with audio podcast

CSIRO telescope spots mega-star cradle

(PhysOrg.com) -- Using a CSIRO radio telescope, an international team of researchers has caught an enormous cloud of cosmic gas and dust in the process of collapsing in on itself -- a discovery which could ...

Apr 28, 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

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

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

Astronomers seek to explore the cosmic Dark Ages

No place seems safe from the prying eyes of inquisitive astronomers. They've traced the evolution of the universe back to the "Big Bang," the theoretical birth of the cosmos 13.7 billion years ago, but there's still a long ...

Oct 15, 2009
4.9 / 5 (10) 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

Star-birth myth 'busted' (w/ Podcast)

(PhysOrg.com) -- An international team of researchers has debunked one of astronomy's long held beliefs about how stars are formed, using a set of galaxies found with CSIRO’s Parkes radio telescope.

Aug 25, 2009
4.2 / 5 (12) 11