Télescopes Géants et Optique Adaptative : une révolution pour l'observation de l'espace

Before you join

OneJoy is where people find each other — the host organises the event, not us. Check who is hosting, judge whether it suits you, and take the same care you would meeting anyone new. Under-18s should come with a parent or guardian. Any money changes hands directly with the host; OneJoy never handles payments.