The universe is full of imperceptible natural wonders that can't be explained with only a few physical formulas or laws, and dark energy is no exception. This book provides an insight into this powerful, invisible force that is forcing the cosmos to expand at an ever increasing rate including its discovery, what we know about it, its influence on the universe, the theoretical particles it may be composed of, mathematical equations that may explain the force, and more. Whether you are an aspiring astrophysicist, an astronomy geek who is seeking to learn more about the universe, or are just looking to travel to the cosmos through a book, then Dark Energy 101 is perfect for you!