Naviation Satellite Systems overview

There are a lot of satellite navigation systems for Earth. Some are regional others are global. Some are composed by only one satellite and multiple earth-based stations, and other with hundred of satellites. This post will be an overview of the actual satellite systems. Some are in development but all are operational in some degree. … Continue reading Naviation Satellite Systems overview


Present and future crewed spacecrafts

There are a lot type of vehicles that carry humans, bicycles, cars, ships, planes and spacecrafts. In this post I will do a brief description of the present spacecrafts and the future ones that hopefully will carry humans to space and beyond. I will include only spacecrafts capable of at least one orbit and are … Continue reading Present and future crewed spacecrafts