I had no idea what parsec is, now i have!, the most Astonishing fact to me are ignorance and myopia. The ignorance i own, on account that i am 51 yet i still struggle w/ Metric. The Myopia belongs to a failed [ Educational Evolution]. Metric was just starting to be recognized as what the World uses; when i had been in grade school: and that the U.S.A. is behind the times' in far too many ways, including mathematics. Myopia and Ego Masturbation seem to be our governments greatest gifts, passing it to each following generation is perhaps the U.S. Governments most Pernicious Gift!. Shame on me, Shame on our Government.