Starship Asterisk*

I've often wondered as I look at APOD photos whether the apparent light and shadows are what my eyes tell me they are. (And the "Pillars of Creation" seem the most extreme example.) Are there really bright light sources where they appear to be, in this case, behind and above the subject s...

I've often wondered as I look at APOD photos whether the apparent light and shadows are what my eyes tell me they are. (And the "Pillars of Creation" seem the most extreme example.) Are there really bright light sources where they appear to be, in this case, behind and above the subject st...