Neil deGrasse Tyson > Quotes > Quote > Shailendra liked it

“Without the billion-and-one to a billion imbalance between matter and antimatter, all mass in the universe would have self-annihilated, leaving a cosmos made of photons and nothing else—the ultimate let-there-be-light scenario.”
― Neil deGrasse Tyson, Astrophysics for People in a Hurry