Welcome to the newest post on Universe Factory, the blog of the Worldbuilding community:

If Neptune Orbited Jupiter by HDE 226868

Habitable moons around gas giants have been a staple of science fiction, and they’ve come up a number of times on Worldbuilding. Yet they’ve remained largely hypothetical in our universe — until recently. In October, a pair of astronomers presented additional evidence for a Neptune-sized moon orbiting Kepler-1625b about ten times the mass of Jupiter. If confirmed, this object would be the first known exomoon — a moon orbiting an exoplanet. While they caution that these are only the first inklings of evidence for this candidate, it’s certainly an exciting object to speculate about. One question has been in many people’s minds: Does this mean exomoons could be habitable?

Tags: Astronomy, Worldbuilding, Habitability, Moons, Exoplanets

Previous post: Discord (Harmony 2): The Entropy Note by FoxElemental

Part 1 introduced us to the world of the harmonic crystals -- powerful, dangerous harmony and disharmony. The story continues in part 2 (and if you don't remember part 1 well enough it still works).

“That’s all we know about the incident. Various hacking and breaching attempts have been made with the highest levels of overrides, but ARI is unresponsive. Research into the possibility of involvement of Great Notes is ongoing.”

The rest of the lectures are all vague theories and data on how the incident has affected such-and-such. My eyes glaze over until, finally, it was time to leave.

I jump up and hurry out the door, back to the research lab. The harmonizers are trying something new today, something that might mean a breakthrough. And possibly promotion, for me.

I wonder what ARI is doing now, dormant, resting.

We’re getting closer.

Tags: Short Story

Watch for the following posts (we hope!) on Universe Factory:

  • Golden Sails part 5 (conclusion)

  • Maybe overviews of some of your favorite Worldbuilding questions?

  • More about the Cuban Missile War

  • More of The Juggernaut

  • More on Digital Character Modeling

  • Your contribution here :-)

We will update this meta post for each new blog post as it's published. See the answer for a complete list of past blog posts.

Want to Contribute?

  • 4
    How can we upvote that dude's work. Its excellent. – kingledion Dec 23 '16 at 1:29
  • 3
    @kingledion authors thrive on comments, and I encourage you to leave him some on his posts. If you don't have a Medium account already, you can log in with Google, Facebook, or Twitter (like you do here on SE). I'm sure he'd welcome feedback! And yes, I agree that Jasper's work is excellent. (Tease: there's more coming.) – Monica Cellio Dec 23 '16 at 1:57
  • 1
    @MonicaCellio Do upvotes carry between blog post updates (have 24 accumulated over time or are they all from this one?) I'd ask elsewhere but we have no meta-meta-worldbuilding. – Zxyrra Dec 23 '16 at 22:51
  • @Zxyrra they accumulate over time. Instead of creating a bunch of individual meta posts, which would get out of hand, we're editing this post with each new blog post. Votes probably shouldn't be interpreted as votes on the specific blog posts. (If you want to know how those votes have changed over time, you could use the data explorer. But that won't tell you if that's why people are voting on this meta post.) – Monica Cellio Dec 25 '16 at 1:17
  • 3
    @Zxyrra You reminded me of this meta xkcd – Xandar The Zenon Dec 29 '16 at 23:15
  • awesome work, great to read :) – Sandy Feb 8 '17 at 22:16
  • Hopefull I might resume and finish the later part of story that I started medium.com/universe-factory/…. I think it's archived, am I too late? – Karan Desai Jul 4 at 11:16
  • 2
    @KaranDesai great! It's still there, ready for you to pick it up and continue when you're ready. I'm looking forward to it. – Monica Cellio Jul 4 at 13:47
  • Thanks, I'll submit draft asap on Medium – Karan Desai Jul 5 at 3:30
up vote 7 down vote accepted

Previous blog posts

Previously on Universe Factory...

Edit this post









2017 and earlier

  • Thanks James for helping me defeat the "self-answers can't be pinned by the checkmark" problem. – Monica Cellio Feb 21 at 16:13

Previous blog posts

Previously on Universe Factory...

















  • 8
    Dang, have we really written that much? I'm impressed. And thanks for putting this together. – HDE 226868 Oct 19 '16 at 2:07
  • 1
    We've written a bit, yes. (The volume is why I didn't add author names to this list -- I was already doing enough typing/cutting/pasting. If anybody else wants to, feel free.) – Monica Cellio Oct 19 '16 at 2:09
  • What happens when this post hits the character limit? :-) – Rand al'Thor Oct 24 '16 at 0:52
  • 2
    @rand al'thor Add a second post. – Bellerophon Oct 24 '16 at 9:41
  • 1
    @randal'thor yes, as Bellerophon said, when we hit the 30,000-character limit on this post we'll just have to add another answer and divide up the entries. :-) – Monica Cellio Oct 24 '16 at 23:32
  • 1
    Going forward, we could consider dividing this list by month, especially if we plan to increase our output. – Jerenda Jan 18 '17 at 22:20
  • @Secespitus thanks for adding all those author credits! – Monica Cellio May 3 '17 at 13:11
  • @MonicaCellio No problem. I hope I got them all right with the second edit. I couldn't find/remember a username corresponding with Evan Hoffman Conlangs for Non-Linguists though. – Secespitus May 3 '17 at 13:48

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