WORD BY LETTER : English CROSSWORD SOLVER and others things ...
Words starting with : 
Words ending  with : 
Ledger Nano S - The secure hardware wallet
Find a definition : 

definition of the word astronomy

by the Wiktionnary

Wikipedia has an article on:


First coined 1570, from Latin astronomia < Ancient Greek ἀστρονομία (astronomia) < ἄστρον (astron), star) < Proto-Indo-European *h₂stḗr (star) + νόμος (nomos), arranging, regulating), related to νέμω (nemō), I deal out).



astronomy (plural astronomies)

  1. The study of the physical universe beyond the Earth's atmosphere, including the process of mapping locations and properties of the matter and radiation in the universe.

The study of the physical processes which control matter and energy in the universe is commonly called astrophysics. The investigation of the origin, evolution, and fate of the universe itself is called cosmology.

Definition from Wiktionary
Content avaible with GNU Free Documentation License

Powered by php Powered by MySQL Optimized for Firefox