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Proba-3 satellites form artificial eclipse

The longest corridor in ESA’s largest establishment was turned into a test site for one of the Agency’s most ambitious future missions, Proba-3. The two satellites making up this mission will line up so that one casts a shadow onto the other, revealing inner regions of the Sun’s ghostly atmosphere. But such precision formation flying will only be possible through a vision-based sensor system allowing one satellite to lock onto the other.

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      Alise Fisher
      Headquarters, Washington
      202-358-2546
      alise.m.fisher@nasa.gov

      Natalia Riusech / Nilufar Ramji  
      Johnson Space Center, Houston 
      281-483-5111 
      natalia.s.riusech@nasa.gov / nilufar.ramji@nasa.gov
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      About the Author
      Korine Powers
      Senior Writer and Education LeadKorine Powers, Ph.D. is a writer for NASA's Space Communications and Navigation (SCaN) program office and covers emerging technologies, commercialization efforts, education and outreach, exploration activities, and more.
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      Last Updated Jan 09, 2025 EditorGoddard Digital TeamContactKorine Powerskorine.powers@nasa.govLocationNASA Goddard Space Flight Center Related Terms
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      Alise Fisher
      Headquarters, Washington
      202-358-2546
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      Alise.m.fisher@nasa.gov
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      Marshall Space Flight Center, Huntsville, Ala. 
      256-544-0034  
      corinne.m.beckinger@nasa.gov 
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      Last Updated Jan 08, 2025 EditorBeth RidgewayContactCorinne M. Beckingercorinne.m.beckinger@nasa.govLocationMarshall Space Flight Center Related Terms
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