How did the passion flower get its name? When the first Christian missionaries landed in South America in the sixteenth century, they found a plant which seemed to be a very good omen for the success of their mission. They called it the passion flower because they thought that it symbolised the death of Christ.
Astronauts actually grow 2 to 3 inches taller (5 to 8 centimeters) when they are in space! The stretching can cause them some pain; many astronauts have back pain while they are in space and the stretching can potentially injure nerves. Expedition 10 Crewmembers onboard the International Space Station.
Astronauts are subject to some muscle atrophy after a few days of weightlessness. Other causes for muscle atrophy include: 1  lack of physical activity (for any reason). 2  aging. 3  alcohol-associated myopathy (pain and weakness in muscles due to excessive drinking over long periods of time). 4  burns. 5  injuries and broken bones. 6  malnutrition. 7  spinal cord injuries.