Indeed it's not fullproof, practically nothing but NASA it's self is...
It's smart to background check the sources of the content (found at the bottom of every page) to see where it came from when not about
Astronomy/
Physics/
Cosmology, the scientific community always keeps this in check, and for the most part they are always correct. Because face it, there is no strong support for 90% of the subject matter that gets corrupted on Wiki like
APC is.
