Io,Europa,Callisto and Ganymede are best to look for life. They are handy. Life to be found on far away solar systems is not reality. They are to far away. Had Mafia NASA not stolen so many billion and billions it would be alive today,and be landing probes on Jupiter's moons. Only thing Mafia NASA left us with are those $25,000,000 toilets,and the funny part is "Depends" were more dependable. One thing for sure about the shuttles was that Tang was the drink. Reason Tang is a Swift Food product. TreBert