space colonisation

So, my challenge here is rather simple, basically what it says on the tin. Here's the specific conditions: - POD in 1901 or later - I'm specifically looking at the total off-world population in 2018, and the number of nations with space colonies - Mäps give extra points, either of Earth or of...

With the current political situation, launching nuclear reactors to orbit is nearly impossible. What is commonly overlooked, is what at least 15 RORSAT reactor cores (each filled with 30kg 90% enriched uranium) are already orbiting graveyard orbit 900-1000 kilometers high, at 65 degrees...