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astrophysics
[ as-troh-fiz-iks ]
noun
- the branch of astronomy that deals with the physical properties of celestial bodies and with the interaction between matter and radiation in the interior of celestial bodies and in interstellar space.
astrophysics
/ ˌæstrəʊˈfɪzɪks /
noun
- functioning as singular the branch of physics concerned with the physical and chemical properties, origin, and evolution of the celestial bodies
astrophysics
/ ăs′trō-fĭz′ĭks /
- The branch of astronomy that deals with the physical and chemical processes that occur in stars, galaxies, and interstellar space. Astrophysics deals with the structure and evolution of stars, the properties of interstellar space and its interactions with systems of stars, and with the structure and dynamics of clusters of stars such as galaxies.
Derived Forms
- ˌastroˈphysical, adjective
- ˌastroˈphysicist, noun
Other Words From
- astro·physi·cal adjective
- as·tro·phys·i·cist [as-troh-, fiz, -, uh, -sist], noun
Word History and Origins
Origin of astrophysics1
Example Sentences
Obviously, Interstellar is a movie, not a three-hour advanced course in astrophysics.
During these years Professor Langley devoted a great deal of time and thought to astrophysics.
He's a bit brighter than average, perhaps—ninety-eight six in his studies, including elementary astrophysics.
There are others that are difficult to explain, unless you have a good background in astrophysics, Rick.
"Well, the astrophysics computer I worked with at the University occupies a total of about one million cubic feet," Conn began.
He employed in his discussion the radial velocities of 280 stars, spectroscopically Astrophysics.
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