How do you define provable? Astronomy is a field based on a lot of people independently doing observations. From that we can reason a lot about space and the things in it. Independently from NASA. Before NASA existed, astronomy was a domain of knowledge.
How do you define provable? Astronomy is a field based on a lot of people independently doing observations. From that we can reason a lot about space and the things in it. Independently from NASA. Before NASA existed, astronomy was a domain of knowledge.