<p>It wouldn't be too apparent, but there are a few objects that you can see in good viewing conditions with the naked eye that would disappear. </p>

<p>Here they are in order of brightness. I marked the objects in a reddish color.</p>

<ol>
<li><p>The <a href="https://en.wikipedia.org/wiki/Large_Magellanic_Cloud" rel="noreferrer">Large Magellanic Cloud</a>, apparent magnitude 0.9, located in the constellation Dorado. Only visible from the southern hemisphere.
<img src="https://i.sstatic.net/EZqpI.png" alt="Large Magellanic Cloud"></p></li>
<li><p>The <a href="https://en.wikipedia.org/wiki/Small_Magellanic_Cloud" rel="noreferrer">Small Magellanic Cloud</a>, apparent magnitude 2.7, located in the constellation Tucana. Only visible from the southern hemisphere.
<a href="https://i.sstatic.net/Orabf.png" rel="noreferrer"><img src="https://i.sstatic.net/Orabf.png" alt="enter image description here"></a></p></li>
<li><p>The <a href="https://en.wikipedia.org/wiki/Andromeda_Galaxy" rel="noreferrer">Andromeda Galaxy</a>, apparent magnitude 3.4, located in the constellation Andromeda.
<a href="https://i.sstatic.net/MQw0Q.png" rel="noreferrer"><img src="https://i.sstatic.net/MQw0Q.png" alt="enter image description here"></a></p></li>
</ol>

<p>And that's it. Seriously. Sure, there are a few others, but they're exceedingly difficult to see. </p>

CC BY-SA 3.0
2016-05-01T18:19:46.953Z
2016-05-01T18:19:46.953Z
Pulchritude
<p>I feel sure this is a repeat, but couldn't immediately find it. The only things in the night sky we can see (with the naked eye) that are <em>not</em> part of our own Galaxy are (on a good night) the Andromeda galaxy and the Large and small Magellanic clouds. Every individual star brighter than $V=6$ and visible to the naked eye is in the Milky Way.</p>

<p>So it would hardly look any different.</p>

CC BY-SA 3.0
2016-05-01T19:45:24.743Z
Isn't Triangulum (M33) included in the list of naked-eye visible galaxies?
Dean
CC BY-SA 3.0
2016-05-01T13:06:45.003Z
2016-05-01T13:06:45.003Z
ProfRob
<p>I'm curious to know what the sky would look like without any other galaxies out there. How much do other galaxies factor into the stars we see? Does the Milky Way account for most of them? Would the night sky look normal? Or would it be very empty?</p>

CC BY-SA 3.0
2016-05-01T13:08:31.573Z
Found it: Not an exact duplicate http://astronomy.stackexchange.com/questions/10689/stars-in-the-sky
ProfRob
CC BY-SA 3.0
2016-05-02T04:14:16.870Z
Lower tech on the UFOs - no intergalactic travel.
Scott
<fundamental-astronomy>
What would the night sky look like if the Milky Way were the only galaxy in the universe?
J.Todd
# What would the night sky look like if the Milky Way were the only galaxy in the universe?

(Asked by: username_0 on 2016-05-01)

I'm curious to know what the sky would look like without any other galaxies out there. How much do other galaxies factor into the stars we see? Does the Milky Way account for most of them? Would the night sky look normal? Or would it be very empty?

**Tags:** fundamental-astronomy
> **Comments:**
> **username_1**: Found it: Not an exact duplicate http://astronomy.stackexchange.com/questions/10689/stars-in-the-sky  
> **username_2**: Lower tech on the UFOs - no intergalactic travel.  

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## 2 answers

### Answer by username_1 on 2016-05-01. Score: 23 | Accepted answer

I feel sure this is a repeat, but couldn't immediately find it. The only things in the night sky we can see (with the naked eye) that are *not* part of our own Galaxy are (on a good night) the Andromeda galaxy and the Large and small Magellanic clouds. Every individual star brighter than $V=6$ and visible to the naked eye is in the Milky Way.

So it would hardly look any different.

> **Comments:**
> **username_4**: Isn't Triangulum (M33) included in the list of naked-eye visible galaxies?  

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### Answer by username_3 on 2016-05-01. Score: 18

It wouldn't be too apparent, but there are a few objects that you can see in good viewing conditions with the naked eye that would disappear.

Here they are in order of brightness. I marked the objects in a reddish color.

1. The [Large Magellanic Cloud](https://en.wikipedia.org/wiki/Large_Magellanic_Cloud), apparent magnitude 0.9, located in the constellation Dorado. Only visible from the southern hemisphere.
   ![Large Magellanic Cloud](https://i.sstatic.net/EZqpI.png)
2. The [Small Magellanic Cloud](https://en.wikipedia.org/wiki/Small_Magellanic_Cloud), apparent magnitude 2.7, located in the constellation Tucana. Only visible from the southern hemisphere.
   [![enter image description here](https://i.sstatic.net/Orabf.png)](https://i.sstatic.net/Orabf.png)
3. The [Andromeda Galaxy](https://en.wikipedia.org/wiki/Andromeda_Galaxy), apparent magnitude 3.4, located in the constellation Andromeda.
   [![enter image description here](https://i.sstatic.net/MQw0Q.png)](https://i.sstatic.net/MQw0Q.png)

And that's it. Seriously. Sure, there are a few others, but they're exceedingly difficult to see.


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