Astrophysics In A Nutshell (aka Basic Astrophys... 【2024-2026】

The dominant force that governs the motion of everything from moons and planets to entire galaxies.

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

Because light has a finite speed, looking at distant objects means seeing them as they were in the past. Light from the Sun takes about 8 minutes to reach us, while light from distant galaxies can take millions of years.