You can call it science, or you can call it curiosity, the scientists seen to be observe of findings traces of water and evidences of water flows in outer planets i.e Mars and moon.
Here is my postulation:
YOU CAN”T FIND ANOTHER PLACE LIKE EARTH WHERE YOU CAN HAVE WATER, VOCALNOS and LIEF FORM. PERIOD
They are so bloody enthusiastic and confidence in finding a place like earth.
I guess deep in their mind, they are going to find a Pandora planet.
HELLO, you should wake up from you silly dream. Pandora is in a movie call AVATAR. period.
So, please do remember, when the earth is spoiled and polluted or covered with radio-active cloud or old spill filled sea, you can’t take a spaceship and migrate to another planets.
EARTH IS THE ONLY PLACE IN THE UNIVERSE THAT LIEF CAN BE SUSTAIN
EARTH HAD NOT BEEN VERY HEALTHY LATELY. IT”S SUFFERED FROM A RAVAGING CANCER call HUMAN.