Astronauts often stay in space for days or evenweeks. They work hard, so a healthy diet is very important. They take theirfood with them in a rocket.
For example, NASA astronauts on the American space shuttlecan choose from a menu of seventy different breakfasts, lunches and dinners.
The Japanese astronaut Mamoru Mohri alwaystakes some Japanese food. They don’t take any water with them, but that isn’t aproblem. The space shuttle makes water!
So why are scientistslooking for water in otherparts of our Solar system? The answer is simple.Water is essential for life.
The existance of water means that plants can grow – and plants provide us with food. With food and water, humans can live in space for longer periods of time – perhaps permanently!
Apart from Earth, most of the planets in our Solar system are too hot or too cold for water. But there are other possibilities.
Scientists are exploring the surface of the Moon. Andthey also think that there issome water on Europa, oneof Jupiter’s moons. Perhaps there are some plants onEuropa, too – some food for astronauts of the future!
How many different types offood can astronauts eat on the space shuttle? Seventy
What does Mamoru Mohritake with him on the space shuttle? Some Japanese food.
Why don’t the astronautstake any water on the space shuttle? Because the space shuttle makes water.
Why isn’t there any water on most other planets? Because they are too hot or too cold.