+Observational Astronomy is the exploration of the cosmos through direct collection of [Electromagnetic Radiation](/wiki/electromagnetic_radiation) and other cosmic messengers. It is the art and science of gathering data from distant celestial bodies to unravel the mysteries of the [Universe](/wiki/universe), without physical contact.
+## See also
+- [Telescope](/wiki/telescope)
+- [Astrophysics](/wiki/astrophysics)
+- [Cosmology](/wiki/cosmology)
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