The difference between "famous" and "popular"

В чем различие популярности и известности? 5-6 предложений на английском языке.

Famous people are outstanding and deserved personalities who may not be popular now. but they are known and respected. Popularity is sought, and sometimes not very noble things, but talking about them constantly ...theypopular. but after a while they'll just be forgotten. and is Known to be a die hard.