Have you seen anything that couldn’t be explained whilst in space?

Question: Have you seen anything that couldn't be explained whilst in space?
- Keywords:
  explain
Asked by 786btr45 to Jenn on 11 Mar 2016.
- Jenn Wadsworth answered on 11 Mar 2016:
  
  I haven’t been to space yet (sadly), but I remember seeing some weirdly reflecting lights in the sky from earth once….it turned out to be the ISS reflecting sunlight 🙂 Have you ever seen something inexplicable in the sky?

Question: Have you seen anything that couldn't be explained whilst in space?