Astronomy refers to the study of stars, planets, galaxies, and other cosmic entities. It mi
(ght) be am
(ong) the old
(est) natural scie
(nces), with ro
(ots) tracing ba
(ck) to anc
(ient) civilizations. Aro
(und) 1000, the Babylonians obse
(rved) the ni
(ght) sky for purposes like timekeeping, navigation, and agricultural planning. The Greeks further advanced the field by mathematizing celestial movements. Today, astronomy encompasses various subfields, including astrophysics and astrobiology, continuing to expand our knowledge of the cosmos.
