Thanks to astrophysicist extraordinaire Katherine Mack for helpful discussions in putting this article together.
David Sumner, an American, is an astrophysicist with a grant to do research.
An astrophysicist with a poetic sensibility, she hooked me in our first interview with her direct manner and determination.
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.