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  1. Join the virtual classroom

    Registration is open for a free online course that provides an introduction to monitoring climate change using satellite Earth observation.

    ESA has teamed up with FutureLearn, a leading online learning platform, to offer the ‘Monitoring Climate from Space’ course beginning on 8 June.

    From their vantage point some 800 km above Earth, satellites provide crucial information on our planet’s land, oceans, atmosphere and ice. This information gives us a view of the current state of our climate, and allows us to detect changes over time.

  2. Sience of friction: keeping things moving in space

    For more than four decades, an unremarkable building in an industrial estate on the edge of Warrington, UK, has played a crucial role in the success of most European space missions with moving parts – which means nearly all of them. Getting things moving in space, and keeping them that way, involves exceptional skill. Such moving elements must do their work for a satellite to thrive and achieve its objectives – a stuck mechanism could swiftly lead to a big problem for a space mission.

  3. Earth Observation and Cryosphere Science 2016

    Recent advances in Earth observation (EO) satellites have enabled improved observations of several key parameters governing important cryosphere processes. Current ongoing and future missions, as well as historical EO mission data, offer an exciting panorama for new scientific developments and discoveries in cryospheric science.

  4. ESA Broker Prime Contractor

    ESA’s Technology Transfer Programme Office (TTPO) uses a network of technology brokers to assess the market needs in areas where there is a potential for exploitation of space technologies.
    The network hosts in addition the database of the Technology Forum online market place where requests for technologies are matched with available space technologies.


  5. Keith Mason

    The color defined as blue in the RGB color model, X11 blue, is shown at right. This color is the brightest possible blue that can be reproduced on a computer screen, and is the color named blue in X11. It is one of the three primary colors used on the RGB color space, along with red and green.

  6. Ocean surface currents

    Ocean Surface Currents (OSC) are the coherent horizontal movement of surface ocean water with a given velocity and an upper boundary in contact with the atmosphere that persist over a geographical region and time period. Measurements of OSC are fundamental to our understanding of ocean circulation at all time and space scales yet remain one of the last physical ocean variables to be directly measured by a space mission at high fidelity and mesoscale resolution.


    By 2015, ESA’s SMOS mission will have been in orbit for more than five years, providing a continuous stream of high quality data products. Being ESA’s water cycle mission, SMOS observations have been used by rather distinct science communities addressing oceanography, land surface hydrology, and meteorology over a wide range of applications.

  8. Samantha's longer stay on space station

    ESA astronaut Samantha Cristoforetti’s mission on the International Space Station has been extended until the beginning of June. It was planned to end this week with a return to Earth together with NASA astronaut Terry Virts and cosmonaut Anton Shkaplerov. Progress The postponement has occurred because the Russian space agency’s Progress 59 freighter failed to arrive at the Station last week, instead burning up in the atmosphere in an uncontrolled reentry.

  9. Impact crater or supervolcano caldera?

    At first glance, the region covered by this latest Mars Express image release appears to be pockmarked with impact craters. But the largest structure among them may hold a rather explosive secret: it could be remains of an ancient supervolcano. The images presented here were taken by the high-resolution stereo camera on ESA’s Mars Express on 26 November 2014, and focus on the Siloe Patera feature in the Arabia Terra region of Mars. Siloe Patera in context Siloe Patera comprises two large nested craters, close to the centre of the main colour image.

  10. High-school student wins prize for ice cube experiment at ESA's large diameter certifuge

    High-school student Arthur Admiraal has been awarded the prestigious Hugo van Woerden Prize by the Royal Netherlands Association for Meteorology and Astronomy (KNVWS). He has been honoured for an experiment he performed in the Large Diameter Centrifuge (LDC) at ESA’s European Space Research and Technology Centre (ESTEC). The Hugo van Woerden Prize is awarded to young people under twenty-five who are members of the KNVWS and who have shown an unusual commitment to researching either in meteorology or astronomy. The award bears the name of Prof.