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Loading contentAn observatory open to the public for viewing nights, talks, and hands-on astronomy — often run by universities, clubs, or planetariums. It gives people a chance to look through a real research-grade telescope and meet the people who use them.
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.