As an early adopter of astronomical technology, Andrea Ghez is revealing secrets about the giant black hole at the Galaxy's centre.
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References
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Andrea Ghez at the 2009 TED conference
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Finkbeiner, A. Astronomy: Star tracker. Nature 495, 296–298 (2013). https://doi.org/10.1038/495296a
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DOI: https://doi.org/10.1038/495296a