heliophysics

noun, plural in form but singular or plural in construction

he·​lio·​phys·​ics ¦hē-lē-ə-¦fi-ziks 

: a branch of astrophysics that deals primarily with the behavior of the sun and its effects on other celestial bodies in the solar system

… in heliophysics, ongoing and future studies are exploring the floods of charged particles emanating from the Sun.

—Alexandra Witze

Despite plenty of advances in heliophysics and atmospheric science, much about the northern lights remains a mystery.

—Daisy Dobrijevic and Stephanie Waldek

Using a free app … citizen scientists can help advance heliophysics research by capturing as many images of the Sun as possible just before and after the solar eclipse.

—Sharmila Kuthunur

compare solar physics

Word History

Etymology

helio- + physics

First Known Use

1911, in the meaning defined above

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