This is the cheerful story that Roque?s dream encourages him to be strong.
- About the Universe
- Asteroid belt
Minor planets between the orbit of Mars and Jupiter.
The asteroid belt estimated to contain over 1 million asteroidwith diameter exceeding one 1 km.
- Jupiter and Io
Jupiter is the biggest planet in the solar system.
Its diameter is about 11 times as long as that of the Earth.
Io is the one of satellites around Jupiter.
The human beings might be able to live in Io in 100 year.