Big Bang Theory Question?

Herro. I was reading Big Bang Theory.

There is some points I don’t understand.

It says the dark energy makes galaxies move and go farther than eachother. Why would dark energy be responsible about galaxies and the electrons of atoms movement. Wouldn’t they move by themselves by their own energies? Like they are pushed in the space and flowing by the pushing energy or big bangs push energy. 

Or might we think the universe as a cycle system, with no start end no end. Like things like blackholes are vacuuming in the depth of the universe. Then they are coming in a position after they have got vacuumed, and they release other side as an big explosion. 

I have these 2 questions.

Edited by Observer200, Yesterday, 05:42 PM.

from Department of Space Colonization