Many believe that the large fireball observed in the sky above Ontario, Canada, and at least six US states in 1965 was nothing more than a passing meteor. However, some witnesses in the small town of Kecksburg, Pennsylvania, claim a car-sized, acorn-shaped object with hieroglyphic-like markings crashed in a nearby wood and was then carted off by the military. Government officials long denied these allegations, but 40 years later, in 2005, NASA made what admission regarding the suspicious object? Discuss