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    Latest News

    Giant storms cause palpitations in Saturn's atmospheric heartbeat 13 December 2017 Immense northern storms on Saturn can disturb atmospheric patterns at the planet's equator, finds the international Cassini mission. This effect is also seen in Earth's atmosphere, suggesting the two planets are more alike than previously thought. Read more

    Dawn of a galactic collision [heic1720] 14 December 2017 A riot of colour and light dances through this peculiarly shaped galaxy, NGC 5256. Its smoke-like plumes are flung out in all directions and the bright core illuminates the chaotic regions of gas and dust swirling through the galaxy's centre. Its odd structure is due to the fact that this is not one galaxy, but two – in the process of a galactic collision. Read more

    Gaia's view of our galactic neighbours 13 December 2017 Measuring the positions and motions of more than a billion stars, ESA's Gaia mission will refine our knowledge about our place in the Universe, providing the best ever star chart of our Milky Way and its neighbouring galaxies. Read more

    Herschel data links mysterious quasar winds to furious starbursts 07 December 2017 Astronomers have used ESA's Herschel Space Observatory to solve a decades-old mystery about the origin of powerful cool gas winds in the hot environs of quasars. The evidence linking these powerful winds to star formation in the quasar host galaxies may also help resolve the mystery of why the size of galaxies in the Universe appears to be capped. Read more

    Green light for continued operations of ESA science missions 07 December 2017 ESA's Science Programme Committee (SPC) has approved indicative extensions, up to 2019-2020, for the operation of eight scientific missions. Read more

    News archive

    Spacecraft Testing

    #10: It's getting real: testing flight hardware with mission control code 18 December 2017 With the flight models of the CHEOPS spacecraft and telescope maturing, crucial tests can now be run with real hardware in place of simulations. The latest such tests involved operating the payload with the Mission Control System to test and validate real operational command sequences. Read more

    #9: The CHEOPS scientific instrument is complete 06 December 2017 The scientific instrument at the heart of the CHEOPS mission has been fully assembled, marking an important milestone in the development of this small, fast-track exoplanet-characterising mission. Read more

    #13: Testing the coolest instrument on the James Webb Space Telescope 18 October 2017 As the James Webb Space Telescope progresses toward launch, the telescope and its scientific instruments are undergoing an arduous series of checks to ensure their flight readiness. Read more

    #8: Preparing the CHEOPS spacecraft platform and simulating mission operations 12 July 2017 In our previous update, we reported on the delivery of the CHEOPS telescope from Florence to Bern. While the scientific payload is being assembled in Switzerland, work in Spain has focused on preparing the spacecraft platform that will carry the payload and provide power, propulsion, communications, and thermal control. Read more

    #12: Testing times for JWST 16 June 2017 The journey to launch for the James Webb Space Telescope (JWST) is – literally – a testing time for the groundbreaking observatory. After demonstrating that it can come through the ordeal of vibrations and loud sounds associated with a launch, the telescope and its instruments have now been moved to Houston, Texas, for a final three-month test campaign in frigid, sub-zero temperatures. Read more

    Journal archive

    Latest Announcements

    Günther Hasinger appointed as ESA Director of Science 14 December 2017 The Council of the European Space Agency announced the appointment of Günther Hasinger as the next Director of Science. He will succeed Alvaro Giménez, who has served in the position since 2011. Read more

    Cosmic Vision M4 candidate missions: presentation event 05 May 2017 ARIEL, THOR, and XIPE, the three candidates for the M4 medium-class mission in ESA's Science Programme, will be presented to the science community at a special event in Paris on 3 July 2017. The deadline to register for this event is 10 June. Read more

    ESA identifies new science ideas for future space missions 21 April 2017 Last year, ESA called on the scientific community to propose new and innovative science ideas that could be relevant for future space missions within the Science Programme. From the proposals that were received three key areas of interest have been selected for further investigation. Read more

    ESA Planetary Science Archive gets a new look 16 January 2017 Today, ESA launches a new version of its Planetary Science Archive (PSA) website, the online interface to data from the agency's space science missions that have been exploring planets, moons and other small bodies in the Solar System. Read more

    Announcement archive

    • Multimedia Gallery
    • Highlights
    • Selected asteroids detected by Gaia between August 2014 and May 2016
    • It's getting real: testing CHEOPS flight hardware with mission control code
    • Testing the coolest instrument on the James Webb Space Telescope
    • Exoplanets with Gaia
    • From Hipparchus to Hipparcos: A sonification of stellar catalogues
    • Star mapper
    • ESA Hangout: Preparing for Rosetta's grand finale - Watch the replay
    • A Very Human Venture: Personal Perspectives on Gaia's Data Processing and Analysis Consortium
    • Space science: everything starts here
    • ESA Research Fellowships in Space Science
    • ESA's Core Technology Programme – Paving the way for ESA's Cosmic Vision Plan
    • ESA Brochure: LISA Pathfinder
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