As you probably know, our universe is made of 3 kinds of stuff
Ordinary matter - you and I and our planet and all the stars - is only about 5% of the universe
Mysterious stuff called "dark matter" is 25%, and even more mysterious stuff called "dark energy" is 70%
en.wikipedia....
Ordinary matter - you and I and our planet and all the stars - is only about 5% of the universe
Mysterious stuff called "dark matter" is 25%, and even more mysterious stuff called "dark energy" is 70%
en.wikipedia....
