How Did The Universe Expand To 46 Billion Light|Years In Just 13.8 ...

How Did The Universe Expand To 46 Billion Light-Years In Just 13.8 ...

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.

How can the visible universe be 46 billion light-years in radius when ...

Astronomers widely accept that the universe formed in the Big Bang approximately 13.8 billion years ago. It has been expanding ever since. This ...

How is the universe (at least) 46 billion light years across, when it ...

As the universe is expanding, an object is further away now than it was when the light was emitted. The distance the light travelled is less ...

If The Universe Is 13.8 Billion Years Old, How Can We See ... - Forbes

So after 13.8 billion years, you'd expect to be able to see back almost 13.8 billion light years, subtracting only how long it took stars and ...

How can the universe be at least 46 billion light years across but ...

A photon reaching us at then end (“now”) was emitted by a galaxy 13 billion years ago. From expansion, that galaxy is now 46 billion light-years ...

How can the 13.8 billion years old universe have a radius of 46 ...

And the reason this light reached us at all is that during the first 9 billion years following the big bang, the universe is thought to have ...

If the universe is only 14 billion years old, how can it be ... - YouTube

The size and age of the universe seem to not agree with one another. Astronomers have determined that the universe is nearly 14 billion ...

Our expanding universe: Age, history & other facts - Space.com

When the universe was just 10-34 of a second or so old — that is, a hundredth of a billionth of a trillionth of a trillionth of a second in age ...

Isn't the universe older than 13.8 billion years? [duplicate]

This is because the universe expands. If it expands fast enough then you can have an observable universe that seemingly expanded faster than the ...

Can we see farther back in space than we can in time? - Big Think

The expanding universe lets us see back 46.1 billion light years, despite the fact that the the universe is only 13.8 billion years young.

How big is the universe? - Space.com

Scientists know that the universe is expanding. Thus, while scientists might see a spot that lay 13.8 billion light-years from Earth at the time ...

Examine the observable universe's place within the whole universe

That's because over time, space has been expanding, so the distant objects that gave off that light 13.8 billion years ago have since moved even farther away ...

After 13.8 billion years, why hasn't the Big Bang faded away? |

The only appreciable change that light has experienced comes from redshifting, or lengthening of its wavelength, due to the expansion of the ...

Observable universe - Wikipedia

For instance, objects with the current redshift z from 5 to 10 will only be observable up to an age of 4–6 billion years. In addition, light emitted by objects ...

How can the universe be at least 46 billion light-years across but ...

The theory is that the universe is constantly expanding — things are getting further and further apart. In addition, the theory is that at the ...

What Is the Current Estimated Size of the Universe? - Physics Forums

What happened was that light left them when they were much closer to us and the space between us expanded over the last 14Bn yr. So a sphere ...

if the universe is 13.8 billion years old, how can we see 46 ... - Brainly

For a very long time, light emanating from these far-off objects has been travelling through space. Light has essentially travelled a greater ...

New research puts age of universe at 26.7 billion years, nearly twice ...

These galaxies, existing a mere 300 million years or so after the Big Bang, appear to have a level of maturity and mass typically associated ...

How can the visible universe be 46 billion light-years in radius when ...

Astronomers widely accept that the universe formed in the Big Bang approximately 13.8 billion years ago. It has been expanding ever since. This expansion ...

Ask Ethan: How Can We See 46.1 Billion Light-Years Away In A ...

The mutual gravitational effects of all the massive and energy-containing objects in the Universe cause them to move around and accelerate, ...