• Fred Jansen: How to land on a comet
    Articles,  Blog

    Fred Jansen: How to land on a comet

    I’d like to take you on the epic quest of the Rosetta spacecraft. To escort and land the probe on a comet, this has been my passion for the past two years. In order to do that, I need to explain to you something about the origin of the solar system. When we go back four and a half billion years, there was a cloud of gas and dust. In the center of this cloud, our sun formed and ignited. Along with that, what we now know as planets, comets and asteroids formed. What then happened, according to theory, is that when the Earth had cooled down a bit after…