<p>It doesn't make sense to me that light could ever reach us from a galaxy moving away from us faster than the speed of light.  But <a href="https://youtu.be/q67vH0SKahU?t=453" rel="nofollow noreferrer">this video</a> says that it can happen.  Is this true?  Could someone explain how it is possible?</p>

CC BY-SA 4.0
2021-11-02T18:39:50.093Z
Your title didn't match your question. I've edited the title to make it consistent with what you're asking.
Jim421616
CC BY-SA 4.0
2021-11-02T18:44:07.017Z
@Jim421616 I understand how galaxies outside the Hubble Sphere can recede from us at faster than the speed of light due to the Universe expansion.  I just don't understand if and how light from those galaxies can then reach us.  I am going to rollback your title edit.
Connor Garcia
CC BY-SA 4.0
2021-11-02T18:47:29.147Z
You're quite welcome to roll back the edit, but my point was that the title asks one question, and the body asks another question. Better to have the title as a summary, and put both questions in the body. Better yet, post two separate questions.
Jim421616
CC BY-SA 4.0
2021-11-02T18:48:01.397Z
Perhaps this question will help...https://physics.stackexchange.com/questions/107748/how-are-galaxies-receding-faster-than-light-visible-to-observers
Jim421616
CC BY-SA 4.0
2021-11-02T20:08:24.440Z
Yes, we can most definitely see galaxies with recession speeds exceeding the speed of light. See [this answer](https://astronomy.stackexchange.com/a/19910/5264).
pela
CC BY-SA 4.0
2021-11-02T20:39:16.903Z
@pela Yes, the answer you linked is exactly the answer I was looking for.  I think that may make this question a duplicate.  Perhaps I should close it.
Connor Garcia
<expansion><observable-universe><hubble-constant>
Can we observe galaxies after their recession velocity exceeds the speed of light?
Connor Garcia
# Can we observe galaxies after their recession velocity exceeds the speed of light?

(Asked by: username_0 on 2021-11-02)

It doesn't make sense to me that light could ever reach us from a galaxy moving away from us faster than the speed of light. But [this video](https://youtu.be/q67vH0SKahU?t=453) says that it can happen. Is this true? Could someone explain how it is possible?

**Tags:** expansion, observable-universe, hubble-constant
> **Comments:**
> **username_1**: Your title didn't match your question. I've edited the title to make it consistent with what you're asking.  
> **username_0**: @Jim421616 I understand how galaxies outside the Hubble Sphere can recede from us at faster than the speed of light due to the Universe expansion.  I just don't understand if and how light from those galaxies can then reach us.  I am going to rollback your title edit.  
> **username_1**: You're quite welcome to roll back the edit, but my point was that the title asks one question, and the body asks another question. Better to have the title as a summary, and put both questions in the body. Better yet, post two separate questions.  
> **username_1**: Perhaps this question will help...https://physics.stackexchange.com/questions/107748/how-are-galaxies-receding-faster-than-light-visible-to-observers  
> **username_2**: Yes, we can most definitely see galaxies with recession speeds exceeding the speed of light. See [this answer](https://astronomy.stackexchange.com/a/19910/5264).  
> **username_0**: @pela Yes, the answer you linked is exactly the answer I was looking for.  I think that may make this question a duplicate.  Perhaps I should close it.  

---

## 0 answers

