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Our reporting on all platforms will be truthful, transparent and respectful; our facts will be accurate, complete and fairly presented. When we make a mistake — and from time to time, we will — we will work quickly to fully address the error, correcting it within the story, detailing the error on the story page and adding it to this running list of Tribune corrections. If you find an error, email [email protected].

Wonder makes us map the universe.

Where did we come from? That’s a question Professor Chris Walker is searching the galaxy to answer, aided by University of Arizona facilities and expert personnel. In 2017, NASA selected the professor of astronomy in the university’s Steward Observatory as the principal investigator to help map the Milky Way.

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