Scientists are searching for life on 7 new Earth like Panets
Scientists have lately discovered 7 new planets which are similar to Earth. It has encourage them to explore further for life and water there.
They also plan to ferry the visitors to go and see, in order to have a first hand experience of alien world (if any) out there.
However one way travel time is 40 years and return is also 40 years, so who would like to go?