1. astrophysics

noun. ['ˌæstroʊˈfɪzɪks'] the branch of astronomy concerned with the physical and chemical properties of celestial bodies.


  • cosmogeny
  • cosmology
  • uranology
  • cosmogony


  • astro- (English)
  • ἄστρον (Ancient Greek (to 1453))
  • physics (English)
  • φυσικός (Ancient Greek (to 1453))

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Rhymes with Astrophysics

  • metaphysics

Sentences with astrophysics

1. Noun, plural
When they continue asking those questions as adults, they may be suited for a career in astrophysics.

Quotes about astrophysics

1. I try to show the public that chemistry, biology, physics, astrophysics is life. It is not some separate subject that you have to be pulled into a corner to be taught about.
- Neil deGrasse Tyson

2. The most accessible field in science, from the point of view of language, is astrophysics. What do you call spots on the sun? Sunspots. Regions of space you fall into and you don’t come out of? Black holes. Big red stars? Red giants. So I take my fellow scientists to task. He’ll use his word, and if I understand it, I’ll say, “Oh, does that mean da-da-da-de-da?
- Neil deGrasse Tyson