Nasa History: The History of Nasa's Missions Since Landing on the Moon (The History and Legacy of Nasa's Human Spaceflight Missions Before the Apollo Program)

At the same time, scientists have been repeatedly surprised by their discoveries. Some of those discoveries revealed the dangers of space, like the van allen radiation belt, dangerous to astronauts without the right kind of protection. Nasa also discovered the massive radiation belt surrounding jupiter thanks to the pioneer probes in 1973 and 1974. Similarly, with the knowledge that titan, the largest moon of saturn, has a thick atmosphere, later missions were sent to investigate the moon u...