How do scientists use scientific inquiry to learn more about the planet Pluto?

For example, scientists used to think Pluto was a planet, but then technology allowed them to discover more and more objects like Pluto. When they found another “ice ball” that was bigger than Pluto, they demoted Pluto to a dwarf planet.

Iam a german monk and professor of theology. i believe that the catholic church's practice of buying forgiveness of sins through indulgences is wrong. i have translated the bible into german to make it easier for more people to be able to study it. i am here to stand by my writings and i refuse your demand that i recant them

Who it was like back then