Edouard Lemaitre for Dummies

Alright, so "Edouard Lemaitre" is actually the name of a person, not a word. He was a Belgian astronomer and priest who is best known for proposing the Big Bang theory. Do you know about the Big Bang theory? It's the idea that the universe began in a hot, dense state and has been expanding ever since. Basically, Lemaitre was the smart cookie who first came up with this groundbreaking idea. He used his knowledge of physics and mathematics to study the behavior of galaxies and then put forward the idea that the universe was expanding. And his theory totally changed the way we think about the origins of the universe.

So, in a nutshell, when someone mentions "Edouard Lemaitre," they're talking about this brilliant astronomer who made a huge contribution to our understanding of the universe. It's like if you were playing on a basketball team and someone said "Michael Jordan" - you'd know they were talking about one of the best basketball players of all time. Similarly, "Edouard Lemaitre" is the name of a person who made a big impact in the world of science. Cool, right?