Most of what we know comes from studying radiation beyond just visible light, including X-rays, radio waves, and gamma rays.
Astrophysics in a Nutshell: A Guide to the Cosmos Astrophysics is the "love child" of physics and astronomy. While astronomy focuses on observing and describing the night sky, astrophysics uses the laws of physics—like gravity, electromagnetism, and thermodynamics—to explain things happen out there. Core Concepts to Know Astrophysics in a Nutshell (aka Basic Astrophys...
Astrophysics in a Nutshell: Exploring the Universe | UE Blog Most of what we know comes from studying
This is the "big picture" branch of astrophysics that studies the origin, evolution, and ultimate fate of the universe itself, including the Big Bang and dark energy. Helpful Resources for Beginners Core Concepts to Know Astrophysics in a Nutshell:
If you want to dive deeper, several highly-rated guides break down these complex topics into manageable "nutshells."
The dominant force that governs the motion of everything from moons and planets to entire galaxies.