What is the name of the five carbon acceptor molecule of the calvin cycle? what enzyme catalyzes the calvin cycle?

Ribulose bisphosphate carboxylase, catalyzes the first step of the Calvin Cycle. I believe ribulose-1,5-bisphosphate (RuBP) is the five carbon acceptor molecule.

The soviet union beat the us to the first successful launch, with the october 4, 1957, orbiting of sputnik 1, and later beat the us to have the first human in earth orbit, yuri gagarin, on april 12, 1961. the "race" peaked with the july 20, 1969, us landing of the first humans on the moon with apollo 11