The Jet Propulsion Laboratory, a NASA field centre, created a set of 14 retro-futuristic style ‘space tourism’ posters called Visions of the Future. They all have great colour palettes with a clean finish and silly tag lines. The posters are available for anyone to download and print for free.
These were my favourite posters, both for their colour palette and comical captions, such as ‘The land of two suns – where your shadow always has company’.
These are the rest of the posers which are all fairly varied in composition and style, but really well as a set as well: