Astrophysics For People In A Hurry «EASY»

In the first trillionth of a second, the four fundamental forces of nature—, Electromagnetism , and the Strong and Weak Nuclear forces —were unified as one. As the universe expanded and cooled, these forces "untangled," and the first particles of matter began to form. A crucial cosmic coincidence occurred when matter slightly outnumbered antimatter by a billion-to-one ratio; if they had been perfectly equal, they would have completely annihilated each other, leaving nothing behind but light. Invisible Architects: Dark Matter and Dark Energy

Fourteen billion years ago, everything we’ve ever known—every star, planet, and person—was packed into a space smaller than the period at the end of this sentence. In an event known as the , this tiny, hot, and incredibly dense point began to rapidly expand. Astrophysics For People In A Hurry

One of the book's most profound takeaways is the . The same laws of physics that govern a falling apple on Earth also govern the rotation of distant galaxies and the behavior of light across the void. In the first trillionth of a second, the