Q&A with Dr. Z: Former NASA science chief talks about his 6 years at the helm
Space.com caught up with Dr. Z recently to discuss his favorite missions, the advice he'd give to his successors and the incredible growth of the space community over the past few years.
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Space.com caught up with Dr. Z recently to discuss his favorite missions, the advice he'd give to his successors and the incredible growth of the space community over the past few years.
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