“There are as many atoms in a single molecule of your DNA as there are stars in the typical galaxy. We are, each of us, a little universe.” (Neil DeGrasse Tyson)
The Universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy. Brian Randolph Greene/ Wiki
According to modern physics, particularly the theory of relativity, space and time are intimately intertwined and physically meaningless if taken separately from each other.
“Learn how to see. Realize that everything connects to everything else.”(Leonardo DaVinci)