As the scientist said, universe is expanding at accelerating rate. “Something” is to blame for this. Gravitational pull of “something”. So we call that “Something” “Dark Matter” and “Dark Energy”. We can’t see it, we don’t know what it is, yet we can see effects of it.
One personal example and logic made me doubt about Universe’s expansion acceleration. But firsts things first.
How can we determine exact position of something? Read more…