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Teaser 1583315617

A puzzle piece from stellar chemistry could change our measurements of cosmic expansion

March 05, 2020
Astronomers led by Maria Bergemann (Max-Planck-Institute for Astronomy) have performed chemical measurements on stars that could markedly change the way cosmologists measure the Hubble constant and determine the amount of so-called dark energy in our universe. Using improved models of how the presence of chemical elements affects a star’s spectrum, the researchers found that so-called supernovae Type Ia have different properties than previously thought. Based on assumption about their brightness, cosmologists have used those supernovae to measure the expansion history of the universe. In light of the new results, it is now likely those assumptions will need to be revised. [more]
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Honorary doctorate from Lund University for Thomas Henning

February 11, 2020
Prof. Dr. Thomas Henning, Director of the Planet and Star Formation Department at the Max Planck Institute for Astronomy (MPIA) in Heidelberg, has been awarded an honorary doctorate by the scientific faculty of the Swedish University of Lund. [more]
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ELT MICADO instrument successfully completes preliminary design phase

January 21, 2020
MICADO (Multi-Adaptive Optics Imaging Camera for Deep Observations), the first camera developed specifically for the E-ELT (European Extremely Large Telescope) still under construction, has passed the Preliminary Design Review (PDR). The Max Planck Institute for Astronomy (MPIA) is playing a key role in the development of the instrument. [more]
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Heat wave signals the growth of a stellar embryo

January 17, 2020
Measuring natural microwave lasers sharpens research into the formation of massive stars [more]
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Hot gas feeds spiral arms of the Milky Way

January 14, 2020
Magnetic fields point the way to the material that sustains star formation in the Milky Way [more]
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Feeding the first supermassive black holes

December 19, 2019
Extended hydrogen clouds around the first quasars could have sustained the rapid growth of their supermassive black holes. [more]
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Star formation in the center of the Milky Way came in bursts, new study shows

December 16, 2019
New observations of the center of our home galaxy have allowed astronomers to reconstruct, for the first time, the history of star formation in the center of the Milky Way. Previously, it had been assumed that stars in the so-called nuclear stellar disk had formed continuously over the past billions of years. Instead, the new results imply a burst of star formation activity more than 8 billion years followed by a quiet period, and then another burst of activity about one billion years ago. The re-written evolutionary history has consequences for the formation of the bar-shaped feature of our galaxy’s disk. The results have been published in the journal Nature Astronomy. [more]
 
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