HEOS-1 in the experiment room, 1968

Electronic box experiment 2147, 1969

GEOS boom, 1975

😎 #ESAarchives' ‘theme’ for 2026: an exploration of the origins of ESA activities, science, events and people in its early years. Follow through the year for more, but here's an appetiser! 😊

🔗 historicalarchives.esa.int/beginning-es...

#ESAorigins @eui-euarchives.bsky.social @eui-eu.bsky.social