View synonyms for

astrophysics

[as-troh-fiz-iks]

Phonetic (Standard)IPA

noun

(used with a singular verb)

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

/ ˌæ��ٰ�əʊˈ��ɪ��ɪ�� /

noun

(functioning as singular) the branch of physics concerned with the physical and chemical properties, origin, and evolution of the celestial bodies

astrophysics

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.

astrophysics

The branch of astronomy devoted to the study of the physical characteristics and composition of objects in the sky. Typical concerns of astrophysics are how much light the stars give off and the size, mass, and temperature of planets and stars.

Discover More

Other Word Forms

astrophysical adjective
astrophysicist noun
ˌ��ٰ��ˈ�� adjective
ˌ��ٰ��ˈ�� noun

Discover More

Word History and Origins

Origin of astrophysics¹

First recorded in 1885–90; astro- + physics

Discover More

Example Sentences

Examples have not been reviewed.

Sally Ride, an L.A. native who held a doctorate in astrophysics from Stanford, was also the youngest American in space when she flew aboard the Challenger in June 1983.

From

He also took a deep interest in astrophysics and cosmology.

From

So she decided to study the stars instead, opting for a career in astrophysics.

From

She wants to start a new course, in astrophysics, in the autumn.

From

People listen to four-hour podcasts, people get really into shows about history or astrophysics.

From

astrophotometry astrosphere

Browse