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 SasselovMy parents gave me a small telescope, then I built my own, and one thing led to another. So thats how I ended up going from being a hobby astronomer to a professional astronomer.
Dimitar SasselovLife and the universe compare to each other like a child and a parent, parent and offspring.
Dimitar Sasselov