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Loading contentWatching the night sky from home with the naked eye, binoculars, or a small telescope — learning the constellations, following the Moon and planets, and hunting bright deep-sky objects. The foundation of the hobby, and where almost every astronomer begins.
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.