News

‘Pillars of destruction’ in the Carina Nebula

2 November 2016 Astronomy Now

Spectacular new observations of vast pillar-like structures within the Carina Nebula have been made using the MUSE instrument on ESO’s Very Large Telescope. The different pillars analysed by an international team seem to be pillars of destruction — in contrast to the name of the iconic Pillars of Creation in the Eagle Nebula, which are of similar nature.

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Unexpected gaseous haloes detected around distant quasars

26 October 2016 Astronomy Now

An international team of astronomers has discovered glowing gas clouds surrounding distant quasars. The new survey of these active galaxies indicates that haloes around quasars are far more common than expected. The properties of the haloes in this surprising find are also in striking disagreement with currently accepted theories of galaxy formation in the early universe.

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Galactic fireworks illuminate giant hydrogen blob

21 September 2016 Astronomy Now

An international team of researchers using the Atacama Large Millimetre/submillimetre Array (ALMA) and other telescopes has discovered the power source illuminating a so-called Lyman-alpha Blob — a rare, brightly glowing, and enormous concentration of gas in the distant universe.

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Starving black hole returns brilliant galaxy to the shadows

19 September 2016 Astronomy Now

The mystery of a rare change in the behaviour of a supermassive black hole at the centre of a distant galaxy has been solved by an international team of astronomers using ESO’s Very Large Telescope along with the NASA/ESA Hubble Space Telescope and NASA’s Chandra X-ray Observatory. It seems that the black hole has fallen on hard times and is no longer being fed enough fuel to make its surroundings shine.

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VLT studies mysterious dwarf galaxy born in cosmic collision

9 December 2015 Astronomy Now

The spectacular aftermath of a 360 million year old cosmic collision is revealed in great detail in new images from ESO’s Very Large Telescope. Among the debris is a rare and mysterious young dwarf galaxy. This galaxy is providing astronomers with an excellent opportunity to learn more about similar galaxies that are expected to be common in the early universe, but are normally too faint and distant to be observed by current telescopes.

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First signs of self-interacting dark matter found?

16 April 2015 Astronomy Now

Observations of colliding galaxies made with ESO’s Very Large Telescope and the NASA/ESA Hubble Space Telescope may, for the first time, have detected dark matter interacting with other dark matter in a way other than through the force of gravity.

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MUSE looks deeper into the universe than Hubble in 3-D

2 March 2015 Astronomy Now

The MUSE instrument on ESO’s Very Large Telescope has given astronomers the best ever three-dimensional view of the deep universe. The new observations of the Hubble Deep Field South reveal the distances, motions and other properties of far more galaxies than ever before in this tiny piece of the sky.