Hard Sci-fi Resources

This is a start of a collection of hard-sci-fi resources. I'm actually thinking about making a couple space opera games (maybe one inspired by the Space Force), and I starting getting excited by some of the stuff I've found...

http://www.atlasoftheuniverse.com/

http://galaxymap.org/

http://www.projectrho.com/public_html/starmaps/index.php

A detailed break-down of the Alcubierre Warp Drive coil: https://www.youtube.com/watch?v=bHD0Pq0TJLI

Isaac Arthur's Spaceship Propulsion Compendium:

Orbiter 2016 spaceflight simulator: http://orbit.medphys.ucl.ac.uk/

A fantastic speech from February on current research into warp drive and aliens: 

More to come...