Detect and study celestial x-ray sources.
"Collection of four spacecraft flying in formation around the earth, relaying detailed information about solar wind's affect on our planet in three dimensions."
"Collection of four spacecraft flying in formation around the earth, relaying detailed information about solar wind's affect on our planet in three dimensions."
"Collection of four spacecraft flying in formation around the earth, relaying detailed information about solar wind's affect on our planet in three dimensions."
"Collection of four spacecraft flying in formation around the earth, relaying detailed information about solar wind's affect on our planet in three dimensions."
"First a technology demonstration, then extended for one year for remote sensing; looks like a washing machine."
Meteorological spacecraft; intended primarily to support the National Meteorological Services (NMS) of Member States; planned system of 3 satellites
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