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astrophysics

  • noun
  • /ˌæs.tɹoʊˈfɪz.ɪks/

The branch of astronomy or physics that deals with the physical properties of celestial bodies and with the interaction between matter and radiation in celestial bodies and in the space between them.

Related words

  • gastrophysics
  • geoastrophysics

Where this comes from

This definition is adapted from “astrophysics” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.