Can you ever prove any scientific theory related to space?

Question: Can you ever prove any scientific theory related to space?
- Keywords:
  evidence,
  space,
  theory
Asked by mw to Claire, Liad, Ruth, Ryan, Mako on 13 Jun 2015.
- Ryan Cheale answered on 13 Jun 2015:
  
  To an extent, yes. We have observable data that we’ve obtained from telescopes and satellites. Much like you can see and hear everything around you those are our eyes and ears and help us prove theories!

Question: Can you ever prove any scientific theory related to space?