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Dr. Hannelore Hämmerle
MPE Press Officer
Phone:+49 89 30000 3980Fax:+49 89 30000 3569
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Max-Planck-Institut für extraterrestrische Physik

MPE Press Releases (2005 - ....)

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Less dark matter in distant galaxies?

March 16, 2017
Milky Way systems in the early universe consist mainly of gas and stars [more]
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Distant galaxies are dominated by gas and stars - where is the Dark Matter?

March 16, 2017
New observations of rotating galaxies at the peak epoch of galaxy formation, 10 billion years ago, surprisingly show that these massive, star-forming galaxies are completely dominated by baryonic or “normal” mass with dark matter playing a much smaller role in comparable regions of their outer disks than in the local universe. The international group of researchers led by the Max Planck Institute for Extraterrestrial Physics mapped the rotation curves of six galaxies to distances of ~65,000 light years from their centres and found that their rotation velocities are not constant but drop with radius. These findings are supported by observations of more than 200 further galaxies, where different estimates of their dynamical state also indicate a high baryonic mass fraction. In addition, the analysis shows that these early galaxies had a much thicker disk with turbulent motion accounting for part of the dynamical support. These findings are published in a paper in the journal Nature as well as three accompanying papers in the Astrophysical Journal. [more]
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A journey of a million miles begins with a single step: eROSITA travels to Russia for launch into deep space in 2018

January 20, 2017
On 20 January 2017, the completed eROSITA X-ray telescope boarded a cargo plane and was transported from Munich, where it had been built at the Max Planck Institute for Extraterrestrial Physics, to Moscow. Like any other passenger, it had to pass customs before journeying onwards towards the premises of Lavochkin Association, in the Moscow suburb of Khimki, where it is expected to arrive on 25 January. There it will be further tested and integrated with the ‘SRG’ spacecraft in preparation for launch in spring 2018. It will then take another three months to arrive at its final destination, about 1.5 million kilometres from Earth. From there, eROSITA will produce a new map of the Universe in X-rays, revealing how the largest cosmic structures evolve. [more]
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Pan-STARRS releases catalogue of 3 billion astronomical sources

December 19, 2016
The Pan-STARRS project, including astronomers at the Max Planck Institutes for Astronomy in Heidelberg and for Extraterrestrial Physics in Garching, is publicly releasing the world’s largest digital sky survey today. The catalogue is based on 4 years of observations of 3/4 of the night sky and provides extensive information on more than 3 billion stars, galaxies and other sources.  [more]
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International team discovers major supercluster of galaxies hidden by Milky Way

November 16, 2016
An international team of astronomers has discovered a previously unknown major concentration of galaxies in the constellation Vela, which they have dubbed the Vela supercluster. The gravitational attraction from this large mass concentration in our cosmic neighbourhood may have an important effect on the motion of our Local Group of galaxies including the Milky Way. It may also help to explain the direction and amplitude of the Local Group’s peculiar velocity with respect to the Cosmic Microwave Background. [more]
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1.2 million galaxies in 3D

July 14, 2016
Astronomers hope a new map will help to shed light on the dark side of the universe [more]
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1.2 Million Galaxies in 3D

July 14, 2016
What are the properties of Dark Energy? This question is one of the most intriguing ones in astronomy and scientists are one step closer in answering this question with the largest three-dimensional map of the universe so far: This map contains 1.2 million galaxies in a volume spanning 650 cubic billion light years. Hundreds of scientists from the Sloan Digital Sky Survey III (SDSS-III) – including researchers at the Max Planck Institutes for Extraterrestrial Physics and for Astrophyics - used this map to make one of the most precise measurements yet of dark energy. They found excellent agreement with the standard cosmological model and confirmed that dark energy is highly consistent with a cosmological constant. [more]
 
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