astronomy
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.
Related words
- archaeastronomy
- astronomess
- astronomick
- astronomist
- archaeoastronomy
- archeoastronomy
- astronomer
- bioastronomy
- ethnoastronomy
- paleoastronomy
Example sentences
Word history
From Old French "astronomie".
Where this comes from
This definition is adapted from “astronomy” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.