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    Planck will help provide answers to some of the most important questions in modern science: how did the Universe begin, how did it evolve to the state we observe today, and how will it continue to evolve in the future? Planck's objective is to analyse, with the highest accuracy ever achieved, the remnants of the radiation that filled the Universe immediately after the Big Bang - this we observe today as the Cosmic Microwave Background.

    News

    First stars formed even later than previously thought 31 August 2016 ESA's Planck satellite has revealed that the first stars in the Universe started forming later than previous observations of the Cosmic Microwave Background indicated. This new analysis also shows that these stars were the only sources needed to account for reionising atoms in the cosmos, having completed half of this process when the Universe had reached an age of 700 million years. Read more

    Herschel and Planck honoured with Space Systems Award 02 September 2015 The Herschel and Planck project teams are this year's recipients of the American Institute of Aeronautics and Astronautics Space Systems Award. Read more

    Planck Legacy Archive: 2015 data delivery is complete 10 August 2015 ESA's Planck mission has achieved a significant milestone. The 2015 data delivery to the Planck Legacy Archive, which hosts the mission products, is now complete. The new version of the archive comprises a full record of the data and results from the mission. Read more

    New Tool for Astronomers – Second Planck Catalogue of Compact Sources Released 09 July 2015 ESA's Planck mission is the source for a new catalogue, eagerly awaited by the scientific community, and available online from today. The Second Planck Catalogue of Compact Sources uses data from the entire mission to identify tens of thousands of compact sources, as well as providing polarisation data for several hundred of them. Read more

    Herschel and Planck find missing clue to galaxy cluster formation 31 March 2015 By combining observations of the distant Universe made with ESA's Herschel and Planck space observatories, cosmologists have discovered what could be the precursors of the vast clusters of galaxies that we see today. Read more

    News archive

    Featured Publications

    Planck cosmology results 2015 - preprints 05 February 2015 The first release of the 2015 Planck results using the full mission data are presented here. These recent results are produced by the Planck Collaboration and the papers are available online. Read more

    A Joint Analysis of BICEP2/Keck Array and Planck Data - preprint 02 February 2015 The BICEP2/Keck Array and Planck Collaborations began a joint analysis of BICEP2/Keck Array data in mid-2014, and the results are reported here. Read more

    Planck cosmology results 2013 29 October 2014 The scientific findings of the mission are presented in a series of papers based on data from the first 15.5 months of Planck operations. The results are produced by the Planck Collaboration. The papers are published in the journal Astronomy & Astrophysics and are available online. Read more

    A&A Special Issue: Planck early results 14 March 2012 The December 2011 volume of Astronomy & Astrophysics contained a special feature dedicated to early results from the ESA Planck mission. A collection of 26 articles presents the first year of operations of Planck and the performance of its payload: the Early Release Compact Source Catalogue, ERCSC; first scientific results based on the ERCSC, covering both galactic and extragalactic sources; and first scientific results based on the maps used as input for the production of the ERCSC. Jan Tauber, ESA's Planck Project Scientist, coordinated this special feature. Read more

    A&A Special Issue: Pre-launch status of Planck mission 05 December 2011 This A&A issue features 13 articles describing the pre-flight status of the European Space Agency Planck mission. Read more

    Publications archive

    • Shortcut URL
    • http://sci.esa.int/planck
    • Special Sites
    • Planck for the general public
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    • Elsewhere on esa.int
    • Planck's flame-filled view of the Polaris Flare
    • The spider in the loop
    • A mysterious ring of microwaves
    • The Magellanic Clouds and an interstellar filament
    • Star formation and magnetic turbulence in the Orion Molecular Cloud
    • Planck on course for safe retirement
    • Presentations from the 47th ESLAB Symposium: The Universe as seen by Planck
    • Watch the replay of the Planck media briefing (21 March 2013; morning)
    • Watch the replay of the Planck media briefing (21 March 2013; afternoon)
    • Special Features
    • Euronews: Echoes from the Big Bang
    • Euronews: Planck, Higgs and the Big Bang
    • Euronews: Planck maps the dawn of time
    • Euronews: What was there before the Big Bang?
    • Science@ESA: Episode 2: Planck - looking back to the dawn of time

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