Moon tree Moon tree Moon trees are trees grown from 500 seeds taken into orbit around the Moon by Stuart Roosa during the Apollo 14 mission in 1971. As the Command Module Pilot on the Apollo 14 mission, and as he had been a smoke jumper, Roosa was contacted by Ed Cliff, who was the Chief of the Forest Service at the time, and who proposed the idea of taking the seeds along. Seeds for the experiment were chosen from five different types of trees: loblolly pine, sycamore, sweetgum, redwood, and Douglas fir. The seeds orbited the moon, but were not landed
Docking and berthing of spacecraft the Soyuz spacecraft to add an internal transfer tunnel and used it to transport cosmonauts during the Salyut space station program with the first successful space station visit beginning on 7 June 1971, when Soyuz 11 docked to Salyut 1. The United States followed suit, docking its Apollo spacecraft to the Skylab space station in May 1973. In July 1975, the two nations cooperated in the Apollo-Soyuz Test Project, docking an Apollo spacecraft with a Soyuz using a specially designed docking module to accommodate the different docking systems and spacecraft atmospheres. Beginning with Salyut 6 in 1978, the Soviet Union