noun
- The branch of astronomy concerned with the physical and chemical properties of celestial bodies. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). astrophysics. Retrieved September 20, 2026, from http://smartdefine.org/astrophysics/definitions/1215159 |
| Chicago | WordNet. 2010. "astrophysics" http://smartdefine.org/astrophysics/definitions/1215159 (accessed September 20, 2026). |
| Harvard | WordNet 2010, astrophysics, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/astrophysics/definitions/1215159>. |
| MLA | WordNet. "astrophysics" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/astrophysics/definitions/1215159> |