2018 is shaping up to be a hot year when it comes to the launch systems to be developed to get humans to Mars.
There are a range of space telescopes orbiting at the moment in and around the visible light spectrum. This article gives a quick look at some of them.
Where are the satellites? We hear a lot about GPS, Hubble, the ISS and a load of other satellites, but not often where they are or much about how they got there, or how they stay there.
I was watching youtubes of Saturn V and Space Shuttle launches the other day and was wondering how they manage to get all of the rocket engines firing at the same time so the rockets don’t fall over.