##**ABOUT r/space**

Share & discuss informative content on:

* Astrophysics
* Cosmology
* Space Exploration
* Planetary Science
* Astrobiology

##**UPCOMING LAUNCHES**
> **Timezone is UTC**

Date | Event 
:-:|:-


* [View Full Calendar](http://goo.gl/IXM141)    
* To suggest events, [message the moderators](/message/compose?to=%2Fr%2Fspace)

    
##**SUBMITTING LINKS**
*Please use original sources for content wherever possible.  Please limit yourself to no more than 5 submissions per 24 hours.*

**Encouraged**

* Informative high-quality articles, news & videos
* Peer-reviewed research papers that are publicly available
* Academic texts that are publicly available
    
**Not Allowed**

* Sensationalized/misleading titles or Unscientific content
* [Blogspam](https://www.reddit.com/wiki/selfpromotion), links behind a paywall, or pirated content
* Social media links (Facebook, Twitter, Instagram, etc.)    
> *Exception: Twitter links are allowed only for breaking news by official sources. Examples:*     
*1. Pluto flyby announcements by NASA*    
*2. SpaceX launch coverage by SpaceX*    

* Duplicate/re-hosted content (use [Reddit Search](https://www.reddit.com/r/space/search?q=&sort=new&restrict_sr=on))
* Petitions/surveys/crowd-funding
* Shortened links/mobile links

##**SUBMITTING IMAGES & GIFs**
*Only allowed on Sundays UTC. Short videos without meaningful audio content qualify as GIFs.*

**Encouraged**

* Directly linked quality images/GIFs with an appropriate and concise title

* Include information about the subject, equipment, processing, and name of the photographer

* If you are the photographer do not include additional demographic information, the image should stand on its own merit

* Recommended subreddits: r/spaceporn, r/astrophotography & r/astronomy for images and r/spacegifs for GIFs.

**Not Allowed**

* Memes/low quality images
* Reaction GIFs
* Re-hosted content (use KarmaDecay)
* Misleadingly edited images

##**SUBMITTING A TEXT POST**
*Straightforward questions (who/what/where) belong to the Weekly Space Questions thread (pinned at the top)*

**Encouraged**

* Informative & thought-provoking posts 
* Open-ended questions that promote discussion
* Highly recommended subreddit: r/askscience

**Not Allowed**

* ELI5/PSA styled posts
* Posts that only state your opinion and don't engage the community

##  **COMMENTS**
> **[Remember the Human](https://www.reddit.com/r/blog/comments/1ytp7q/remember_the_human/)**


**Encouraged**

* On topic comments that convey meaningful information
* Backup scientific claims with appropriate links    

**Not Allowed** 

* Low-effort/short comments
* Off-topic comments
* Unscientific comments (e.g. Flat Earth)
* Image-only comments
* Memes/jokes/circle-jerk/trolling/insults

>**[General Reddiquette applies](https://www.reddit.com/wiki/reddiquette)**

>**Please report comments & links that don't follow the rules**

>**Moderation will be strictly enforced on those not following the rules**

##**Discord**

We have a discord server at https://discord.gg/KpjrzqWcmE, feel free to join.

##**[MESSAGE THE MODERATORS](/message/compose?to=/r/space)**

[Nightmode](http://nm.reddit.com/r/space)
[Normal](http://www.reddit.com/r/space)

###### [](/r/space/wiki/edit/sidebar_template)

[](#/RES_SR_Config/NightModeCompatible) [](https://redd.it/3o3yp1/)

<div class="md"><h2><strong>ABOUT <a href="/r/space">r/space</a></strong></h2>

<p>Share &amp; discuss informative content on:</p>

<ul>
<li>Astrophysics</li>
<li>Cosmology</li>
<li>Space Exploration</li>
<li>Planetary Science</li>
<li>Astrobiology</li>
</ul>

<h2><strong>UPCOMING LAUNCHES</strong></h2>

<blockquote>
<p><strong>Timezone is UTC</strong></p>
</blockquote>

<table><thead>
<tr>
<th align="center">Date</th>
<th align="left">Event</th>
</tr>
</thead><tbody>
</tbody></table>

<ul>
<li><a href="http://goo.gl/IXM141">View Full Calendar</a><br/></li>
<li>To suggest events, <a href="/message/compose?to=%2Fr%2Fspace">message the moderators</a></li>
</ul>

<h2><strong>SUBMITTING LINKS</strong></h2>

<p><em>Please use original sources for content wherever possible.  Please limit yourself to no more than 5 submissions per 24 hours.</em></p>

<p><strong>Encouraged</strong></p>

<ul>
<li>Informative high-quality articles, news &amp; videos</li>
<li>Peer-reviewed research papers that are publicly available</li>
<li>Academic texts that are publicly available</li>
</ul>

<p><strong>Not Allowed</strong></p>

<ul>
<li>Sensationalized/misleading titles or Unscientific content</li>
<li><a href="https://www.reddit.com/wiki/selfpromotion">Blogspam</a>, links behind a paywall, or pirated content</li>
<li><p>Social media links (Facebook, Twitter, Instagram, etc.)    </p>

<blockquote>
<p><em>Exception: Twitter links are allowed only for breaking news by official sources. Examples:</em><br/>
<em>1. Pluto flyby announcements by NASA</em><br/>
<em>2. SpaceX launch coverage by SpaceX</em>    </p>
</blockquote></li>
<li><p>Duplicate/re-hosted content (use <a href="https://www.reddit.com/r/space/search?q=&amp;sort=new&amp;restrict_sr=on">Reddit Search</a>)</p></li>
<li><p>Petitions/surveys/crowd-funding</p></li>
<li><p>Shortened links/mobile links</p></li>
</ul>

<h2><strong>SUBMITTING IMAGES &amp; GIFs</strong></h2>

<p><em>Only allowed on Sundays UTC. Short videos without meaningful audio content qualify as GIFs.</em></p>

<p><strong>Encouraged</strong></p>

<ul>
<li><p>Directly linked quality images/GIFs with an appropriate and concise title</p></li>
<li><p>Include information about the subject, equipment, processing, and name of the photographer</p></li>
<li><p>If you are the photographer do not include additional demographic information, the image should stand on its own merit</p></li>
<li><p>Recommended subreddits: <a href="/r/spaceporn">r/spaceporn</a>, <a href="/r/astrophotography">r/astrophotography</a> &amp; <a href="/r/astronomy">r/astronomy</a> for images and <a href="/r/spacegifs">r/spacegifs</a> for GIFs.</p></li>
</ul>

<p><strong>Not Allowed</strong></p>

<ul>
<li>Memes/low quality images</li>
<li>Reaction GIFs</li>
<li>Re-hosted content (use KarmaDecay)</li>
<li>Misleadingly edited images</li>
</ul>

<h2><strong>SUBMITTING A TEXT POST</strong></h2>

<p><em>Straightforward questions (who/what/where) belong to the Weekly Space Questions thread (pinned at the top)</em></p>

<p><strong>Encouraged</strong></p>

<ul>
<li>Informative &amp; thought-provoking posts </li>
<li>Open-ended questions that promote discussion</li>
<li>Highly recommended subreddit: <a href="/r/askscience">r/askscience</a></li>
</ul>

<p><strong>Not Allowed</strong></p>

<ul>
<li>ELI5/PSA styled posts</li>
<li>Posts that only state your opinion and don&#39;t engage the community</li>
</ul>

<h2><strong>COMMENTS</strong></h2>

<blockquote>
<p><strong><a href="https://www.reddit.com/r/blog/comments/1ytp7q/remember_the_human/">Remember the Human</a></strong></p>
</blockquote>

<p><strong>Encouraged</strong></p>

<ul>
<li>On topic comments that convey meaningful information</li>
<li>Backup scientific claims with appropriate links<br/></li>
</ul>

<p><strong>Not Allowed</strong> </p>

<ul>
<li>Low-effort/short comments</li>
<li>Off-topic comments</li>
<li>Unscientific comments (e.g. Flat Earth)</li>
<li>Image-only comments</li>
<li>Memes/jokes/circle-jerk/trolling/insults</li>
</ul>

<blockquote>
<p><strong><a href="https://www.reddit.com/wiki/reddiquette">General Reddiquette applies</a></strong></p>

<p><strong>Please report comments &amp; links that don&#39;t follow the rules</strong></p>

<p><strong>Moderation will be strictly enforced on those not following the rules</strong></p>
</blockquote>

<h2><strong>Discord</strong></h2>

<p>We have a discord server at <a href="https://discord.gg/KpjrzqWcmE">https://discord.gg/KpjrzqWcmE</a>, feel free to join.</p>

<h2><strong><a href="/message/compose?to=/r/space">MESSAGE THE MODERATORS</a></strong></h2>

<p><a href="http://nm.reddit.com/r/space">Nightmode</a>
<a href="http://www.reddit.com/r/space">Normal</a></p>

<h6><a href="/r/space/wiki/edit/sidebar_template"></a></h6>

<p><a href="#/RES_SR_Config/NightModeCompatible"></a> <a href="https://redd.it/3o3yp1/"></a></p>
</div>

/r/space: news, articles and discussion

t5_2qh87

Share & discuss informative content on:

* Astrophysics
* Cosmology
* Space Exploration
* Planetary Science
* Astrobiology

<div class="md"><p>Share &amp; discuss informative content on:</p>

<ul>
<li>Astrophysics</li>
<li>Cosmology</li>
<li>Space Exploration</li>
<li>Planetary Science</li>
<li>Astrobiology</li>
</ul>
</div>

PLEASE **[READ THE SIDEBAR](https://www.reddit.com/r/space/wiki/sidebar_template)** BEFORE POSTING.

<div class="md"><p>PLEASE <strong><a href="https://www.reddit.com/r/space/wiki/sidebar_template">READ THE SIDEBAR</a></strong> BEFORE POSTING.</p>
</div>

Fewer Letters	More Letters
CNSA	Chinese National Space Administration
JAXA	Japan Aerospace eXploration Agency
QA	Quality Assurance/Assessment
RP-1	Rocket Propellant 1 (enhanced kerosene)
UDMH	Unsymmetrical DiMethylHydrazine, used in hypergolic fuel mixes

Chinese rocket static-fire test results in unintended launch and huge explosion