How far across is the universe in light-years?
How far across is the universe in light-years?
93 billion light-years
The radius of the observable universe is therefore estimated to be about 46.5 billion light-years and its diameter about 28.5 gigaparsecs (93 billion light-years, or 8.8×1026 metres or 2.89×1027 feet), which equals 880 yottametres.
How far away is 13 billion light-years?
13 billion light years, is roughly 1.23*10^26 meters. Our solar system diameter is roughly 1921AU; or 287 billion km (2.87*10^14 meters). 13 billion light years would require about 428 billion solar systems.
What is the farthest we have seen in space?
“From previous studies, the galaxy GN-z11 seems to be the farthest detectable galaxy from us, at 13.4 billion light-years, or 134 nonillion kilometers (that’s 134 followed by 30 zeros),” Kashikawa said in a statement.
How long does space last?
Space doesn’t end because it is constantly expanding, faster than the speed of light itself. From our point of view, space end at approximately 93 billion light-years away from us, but that isn’t the end of the Universe. It is only how far we can see. Will the Universe Last Forever?
How far away can we see the universe?
If the Universe is 13.8 billion years old, and the speed of light is truly our cosmic speed limit, how far away should we be able to see? The answer seems obvious: 13.8 billion light-years, since a light-year is the distance light can travel in a year, and nothing can go faster than that.
Is 92 billion light years big enough?
And so 92 billion light years might seem like a large number for a 13.8 billion year old Universe, but it’s the right number for the Universe we have today, full of matter, radiation, dark energy, and obeying the laws of General Relativity.
Is space infinite or finite?
By “infinite” we usually mean something which is limitless or endless. My position is space is finite. However, to demonstrate that let’s propose, for a moment, that space is infinite. In a simple sense if this were the case and I set out in a spaceship in any direction, I would never reach a boundary.