Caelum Incognitum — The interactive encyclopedia of ufology
“Unexplained” is not “unexplainable”
Explanations & misidentifications
A case remains unexplained when the available data do not allow a conclusion; it is not therefore unexplainable. Many old cases lack measurements, witnesses or documents. Concluding an extraordinary origin from a lack of information is an argument from ignorance, which scientific method avoids.