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Introduction to Astrophysics

What is astrophysics & why is it important?
(Image credit: NASA/ESA/Hubble Heritage Team (STScI/AURA)) Astrophysics is a branch of space science that applies the laws of physics and chemistry to seek to understand the universe and our place in it. The field explores topics such as the birth, life and death of stars, planets, galaxies, nebulae and other objects in the universe.
What do astrophysicists do at NASA?
Astrophysicists seek to understand the universe and our place in it. At NASA, the aims of its astrophysics work are "to discover how the universe works, explore how it began and evolved, and search for life on planets around other stars," according to NASA's website. NASA states that its astrophysics work grapples with three main questions:
What is astronomy physics?
Astrophysics is a science that employs the methods and principles of physics and chemistry in the study of astronomical objects and phenomena.
What is the Astrophysics program?
Our program consists of two components, course work and independent research projects under the close supervision of a faculty member. The course work is designed to give a solid background in the relevant areas of physics and math and to survey several of the currently most active areas of astrophysical research.

What is astrophysics & why is it important?