For last 3 years it feels like clothing with worm logo is all around - there are tshirts, hoodies, pretty sure I even noticed socks and backpacks. NASA managed to promote itself quite well and its branding raised to the range of a popculture symbol. Comparable ESA is rather a "quiet" agency and its merchandise exist solely on their site and nowhere else; I wonder if they do have similar document regarding logotype.

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Since we're talking about space, agencies and logos, a little story: there's POLSA - Polish Space Agency, cause we can into space contrary to popular belief. In 2015 the agency has launched a competition to design its logo and over 400 works were sent. The reward was 10k PLN/ ~2.3k €. Work of renown poster artist was selected, independently from all other works submitted which raised quite a storm here. The director of the organizational office stated that: "none of the designs submitted met the aesthetic requirements for a logo. In addition, despite the fact that close to 400 designs were received, in many cases we had to deal with reproductive work." In the end, in 2021 another logo was made and agency didn't disclosure who was the author and how much this lovely thing cost.

Works submitted: https://joemonster.org/art/35407 - copied from fb page that tried to collect all rejected designs; some are clearly jokes (Bolek and Lolek inside Jetsons' flying car, or coat of arm eagle tail repurposed as rocket) but there are few which were really good

Design commissioned and executed by prof. Mieczysław Wasilewski for 15k PLN/ ~3.5k €: https://brandingmonitor.pl/zenujacy-zart-polskiej-agencji-ko...

The final logo: https://www.urania.edu.pl/wiadomosci/polska-agencja-kosmiczn...