When scientist say a therory can be proven what are they acually saying

it means that things people come up with can be tested and they can turn it into the truth or in another sense figure out if its true or not

Explanation:they can figure out if its real or not and or turn it into the facts from what people make up and or think so and so is this or that and they can find out the truth

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.