News tagged with energy

How fast is the universe expanding?

The Universe is expanding, but how quickly is it expanding? How far away is everything getting from everything else? And how do we know any of this anyway?

dateFeb 10, 2015 in Astronomy
shares119 comments 13

Is the universe actually shrinking?

Whoa, here's something to think about. Maybe the Universe isn't expanding at all. Maybe everything is actually just shrinking, so it looks like it's expanding. Turns out, scientists have thought of this.

dateFeb 03, 2015 in Astronomy
shares73 comments 23