How big is the universe? Based on what we can observe, the universe appears to be almost 28 billion light-years across. However, it is far larger than that.

So how big is the universe in the inflation model? It begs the question of what is going on at the boundaries and whether information could be communicated across universes.

Let’s explore this cosmic perspective together. How big is the universe? It’s a question that stirs both wonder and humility. The observable universe stretches 93 billion light years across ...

So to weigh the Universe, all you have to do is calculate how big those oscillating regions must have been, see how big they actually look in the microwave background, and work out how much matter ...

While a curved universe seems very unlikely, only more data and more digging in will settle the dispute.

But the world’s most powerful complex space observatory will answer questions about our solar system, study exoplanets in new ways and look deeper into the universe than we’ve ever been able to.

From the moment of the Big Bang, everything in the universe has kept moving, but why is that? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.