The planet Saturn has 62 moons. One of it's moons named Titan is the only one in our solar system known to have an atmosphere.
The "Solar Challenger" is a solar powered plane that was built in 1980 with the ability to fly using only the energy provided by sun. It's longest flight was 160 miles (260km), completed without the use of any batteries.
The first man in space boarded the Russian spacecraft Vostok 1 in April 12, 1961 with a 50-50 chance of survival. The spacecraft orbited the earth for one hour and 48 minutes and returned successfully.