that's how they detect the water scientists are waiting for the launch of powerful telescopes to study this planet found and others like it with a much bigger picture more complete picture of what's the constituent atmospheres of these planets they will have a much better idea of what's going on whether in fact in life or whether you're interested in climate formation. in the meantime don't pack your bags for a trip. need to travel at the speed of a. for more than a 100 years to get that were so we won't be visiting any time saying. this is news here are top stories. in the us the leading democratic presidential candidates have faced off in a 3rd televised debate held in houston texas former vice president joe biden challenged progressive senators elizabeth warren and bernie sanders on health care