Cosmopolite - 1

Furthermore, the Cosmopolite series was quickly superseded by more powerful French rockets like the and the Diamant (which would eventually put France’s first satellite, Asterix , into orbit in 1965). Cosmopolite 1 was a stepping stone, not a destination.

Just as Cosmopolite 1 was proving its capabilities, the International Geophysical Year (IGY) of 1957–58 arrived. The Soviet Union launched Sputnik 1 (an orbital satellite) on October 4, 1957, instantly rendering all sounding rockets—including Cosmopolite 1—obsolete as symbols of "firsts." Orbital flight was the new benchmark. cosmopolite 1

What is known is that the "1" model served as a testbed. Early flights in the mid-1950s were often short—some lasting barely 30 seconds—reaching apogees (peak altitudes) between 60 and 100 kilometers (37 to 62 miles). This altitude is significant: it crosses the Kármán line (the recognized boundary of space, at 100 km) on successful flights, briefly entering the realm of outer space. The Soviet Union launched Sputnik 1 (an orbital