Associations to the word «Astrophysics»

Wiktionary

ASTROPHYSICS, noun. 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.

Dictionary definition

ASTROPHYSICS, noun. The branch of astronomy concerned with the physical and chemical properties of celestial bodies.

Wise words

Don't use words too big for the subject. Don't say "infinitely" when you mean "very"; otherwise you'll have no word left when you want to talk about something really infinite.
C. S. Lewis