We do care about planets like the Earth because by now we understood that life as a chemical system really needs a smaller planet with water and with rocks and with a lot of complex chemistry to originate, to emerge, to survive.
Dimitar SasselovIt feels great to discover a planet, just like any discovery in science, except that it has more of the feel of exploration - you can go back and look at it. However, I can never visit.
Dimitar SasselovWhen we discover New Earth - a planet we could call home - the question of the plurality of worlds will come front and center, reminding us yet again that we are not the center of the universe.
Dimitar Sasselov