Where to go in LEO

With the retirement of the ISS coming in the next few years, NASA has begun funding projects to build a commercial successor. Other private ventures plan to do it on their own.

The International Space Station has allowed a continuous presence of humanity in space for almost 24 years now. Despite its very high cost relative to the science it has produced, it will likely be remembered well for this alone, and for providing a platform which allowed for the birth of commercial space companies, notably SpaceX.

There is already anoth…