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NASA Image Of The Day

Coronal Loops Over a Sunspot Group
NASA Image Of The Day
The Atmospheric Imaging Assembly (AIA) instrument on NASA's Solar Dynamics Observatory images the solar atmosphere in multiple wavelengths to link changes in the surface to interior changes. When AIA images are sharpened a bit, such as this AIA 171Å channel image, the magnetic field can be readily visualized through the bright, thin strands that ar...
22 May 2015
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ESA Top News
ESA Top News

  • Week In Images

    Our week through the lens:
    18-22 May 2015

  • ‘Rocket Science’

    ESA at the Chelsea Flower Show

  • 100 days to Andreas Mogensen’s mission

    The 100-day countdown begins today for ESA astronaut Andreas Mogensen’s visit to the International Space Station. Following launch on 1 September, he will test new technologies and deliver a fresh spacecraft for the long-stay crew already aboard the orbital complex.



  • CryoSat detects sudden ice loss in Southern Antarctic Peninsula

    A recent acceleration in ice loss in a previously stable region of Antarctica has been detected by ESA’s ice mission.



  • 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.



  • Science of friction

    Bearing balls produced by the European Space Tribology Laboratory, tasked with keeping missions moving in space

  • Four decades of tracking European spacecraft

    Forty years ago this week, a satellite ground station in Spain became the first to be assigned to what would become ESA. Since then, the network – Estrack – has expanded worldwide and today employs cutting-edge technology to link mission controllers with spacecraft orbiting Earth, voyaging deep in our Solar System or anywhere in between.



  • ESA mourns loss of Director Antonio Fabrizi

    On Saturday 16 May, after a long illness, ESA Director of Launchers Antonio Fabrizi passed away in Rome at the age of 67.



  • Satellites make a load of difference to bridge safety

    When extreme weather comes our way, realtime information from space can help us to decide if closing a bridge is the right thing to do.



  • Send your art into space

    Be inspired by our Cheops drawing competition

  • Space fever

    It started with a simple question that ended with a surprising answer and new technology that is being used in cutting-edge heart surgery and could save millions of euros in hospital bills.



  • 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.



  • Samantha’s space videos

    ESA astronaut Samantha Cristoforetti is sharing her world in space with video tours of her experiments, the space toilet and bathroom as well as giving lessons about gravity

  • European space agencies inaugurate altered-gravity aircraft

    ESA, France’s space agency CNES and the German aerospace centre DLR inaugurated the Airbus A310 ZERO-G refitted for altered gravity by running 12 scientific experiments this week.



  • Proba-V maps world air traffic from space

    As ESA’s Proba-V works quietly on its main task of monitoring vegetation growth across Earth, the minisatellite is also picking up something from a little higher: signals from thousands of aircraft.



  • Send your drawing into space with Cheops

    Do you want to send your art into space on the new Cheops satellite? ESA and its mission partners are inviting children to submit drawings that will be miniaturised and engraved on two plaques that will be put on the satellite. 



  • Join the virtual classroom

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



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