noun

astrophysics

astrophysics

He has a Ph.D. in astrophysics.

He has a Ph.D. in astrophysics.

Astrophysics combines physics and astronomy.

Astrophysics combines physics and astronomy.

((noun)) astrophysics He studies astrophysics.

Synonyms: cosmology, astronomy

From Greek 'astron' (star) + 'physikos' (natural, physical). It means 'the physics of the stars'.

It's a combination of 'astro' (star) and 'physics'. Remember it as the physics of space and stars.

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