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Loading contentThe movement to make the data, code, and methods behind a result openly available, so that science can be checked, reused, and built upon by anyone. In astronomy, with its open archives and shared surveys, it is both a philosophy and a well-developed practice.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.