ScienceJuly 4, 2026

astrophysics

/ˌæstroʊˈfɪzɪks/

Definition

The branch of science that uses the principles of physics to study the nature, structure, and physical processes of celestial objects and the universe.

Etymology

The word is a combination of the Greek 'astron' (star) and 'phusika' (natural things or physics). It entered English in the 19th century to describe the application of physical laws to astronomical phenomena.

In the news

In the article, astrophysics is mentioned as a field of study under NASA's science research departments. It represents the broader scientific context that inspires the student-led rover and planetary observation challenges.

Northwest Earth and Space Science Pathways Project Celebrates Student Innovation Through ROADS from Earth to Venus National Challenge

Read the full article ↗

NASA Science (.gov)

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