+The Universe is everything that exists: all [Space](/wiki/space), [Time](/wiki/time), and their contents. It includes countless [Galaxy](/wiki/galaxy) clusters, stars, and planets, all governed by fundamental laws studied in [Cosmology](/wiki/cosmology).
+## See also
+- [Star](/wiki/star)
+- [Big Bang](/wiki/big_bang)
+- [Planet](/wiki/planet)