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Rocket your D&D 5E and Level Up: Advanced 5E games into space! Alpha Star Magazine Is Launching... Right Now!

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Message: <blockquote data-quote="tomBitonti" data-source="post: 4726871" data-attributes="member: 13107">Hi,[Where this is all coming from: A while back, while excited by the whole StarDrive universe, I got to thinking if it would be possible to simulate the expansion of people out into the set volume of 1000ly, using the jump technology as specified by the game.  I did a bit of research, and found lots of data, except that distances are very poorly known, and finding an online database was also hard.  But, I may just not know where to look.]Ya ... 1000 ly is huge (that's like 4 billion cubic light years).  I didn't know that the galactic disk was only 1000ly thick.My quick and dirty calculations give me:local disk (r) == 1x10e3 [1000]galactic disk (R) == 1x10e5 [100,000]total stars (T) == 1x10e12 [1 trillion]fraction of stars outside of central bulge (f) == 5x10e-1 [1/2]So:number of stars in the local disc <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f44e.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt="(n)" title="Thumbs down    (n)"  data-smilie="23"data-shortname="(n)" /> ==  1x10e12 * (1x10e3/1x10e5)^2 * 5x10e-1 == 5x10e7 [50,000,000]There is a big uncertainty as to the star count (at the very least), as the counts of dim objects (e.g., brown dwarfs) is uncertain.I do have a (I'm presuming) reasonably accurate map as the game board for Star Force (from SPI!), which goes out about 30 ly.  That's a bit old and is probably missing a large number of dim objects, but is quite usable.  What I'm looking for is a computer database with a larger radius.  I know there must be some database out there (even if the distances have a huge uncertainty -- for a game use, that won't matter).Edit: Oh wow, that link is great!This one is intriguing: <a href="http://www.solstation.com/x-objects/chimney.htm" target="_blank">http://www.solstation.com/x-objects/chimney.htm</a>If you place a limit on warp-speeds based on the cloud density, that gives you the beginnings of stellar geography!</blockquote>

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