Melba Roy heads the group of NASA mathematicians, known as "computers," who track the Echo satellites. Roy's computations help produce the orbital element timetables by which millions can view the satellite from Earth as it passes overhead.
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Melba Roy heads the group of NASA mathematicians, known as "computers," who track the Echo satellites. Roy's computations help produce the orbital element timetables by which millions can view the satellite from Earth as it passes overhead.
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