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

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Astronaut daily life in space (ISS)

Astronauts have every minute planned by ground mission controllers. Their day starts at six o'clock int he morning (GMT time zone) to half past ten in the afternoon. They work 12 hours a day in the International Space Station (ISS), a large complex ship that needs constant attention, care and repairs. With a bit of … Continue reading Astronaut daily life in space (ISS)