Titan is Saturn's second largest moon, measuring 2,575 km in radius. Thus, Titan is larger than both our own moon and the planet Mercury. In addition to its impressive size, Titan also distinguishes itself from the other moons in our solar system, by actually having an Earth-like atmosphere with clouds that rain. On the surface is also garden and rivers - hence the poster's motif. The poster looks with its golden colors, small rowing boats and with majestic and beautiful Saturn in the background, both peaceful and serene. But life on Titan would be anything but a dance on golden waves. First, because the temperature is down around 179 ° C. Second, because the rivers and the sea consist of liquid ethane and methane, while what they float on is ice and not earth. Volcano-like activity is suspected - but instead of lava, it's liquid water that bursts out of the craters! An acidic form of the reverse world to imagine. As described above, a boat trip on Titan would be a barely enjoyable trip - which the text "ride the tides through the throat of Kraken" also refers to. Kraken is the largest known sea on Titan, and lies around Titan's north pole. It is named after the legendary sea monster "Kraken". The myth of this sea monster is that it is huge, stays around Greenland and Norway - and that it attacks and lowers ships for a good word. The title is thus an allusion to the fact that a boat trip on Titan would end just as fatally as if a sailor on Earth actually encountered the monster Kraken. Is Joby Harris, the artist behind this NASA poster, just full of vicious and eerie humor? No, of course not. NASA's Jet Propulsion Laboratory Department, behind NASA posters, has had a special message with these travel advertising-like posters. The fact that the motivation behind humanity's exploration of space hides in our ability to imagine the impossible. A premise for even throwing itself into something as unknown and large as the outer space is that you can see yourself doing it.