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Articles tagged: penumbra

  • Europes largest solar telescope, GREGOR, light bridges, penumbra, solar magnetic field 02 December 2016 GREGOR helps scientists take a closer look at the Sun

    The secrets of the Sun’s surface is one step closer to being understood, as high-quality magnetic-field data from GREGOR has been released as it undertakes its first phase of scientific use. With an aperture of 1.5 metres, GREGOR is Europe's largest...

    • Europes largest solar telescope
    • GREGOR
    • light bridges
    • penumbra
    • solar magnetic field
  • ESA, externally occulted coronagraph, formation flying technologies, Proba-3 January 2019 Engineering six-hour solar eclipses with formation flying

    ...about 300 kg with a size of about 1 m x 1.5 m x 1.2 m. The solar panel layout is designed to be, when deployed, outside the penumbra created by the other satellite in coronagraph operations. During launch, the deployable solar panel is stowed against...

    • ESA
    • externally occulted coronagraph
    • formation flying technologies
    • Proba-3
    Authors: Agnes Mestreau-Garreau     Damien Galano     Karim Mellab     Luis F Peñin     Victor Marco Gomez    

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