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.
The tendency for water molecules to stick together causes it to causes spheres in space. Credit: NASA. Whether water sits in a lake or a glass of water, Earthâs gravity pulls the liquid downward into the shape of the container itâs in. But in space, gravityâs effects are different. Objects in orbit are indeed affected by gravity, but they are in freefall, moving constantly sideways while falling toward Earth [Learn more ].