Coconut Science Lab
February 24, 2014
A large impact was observed on the moon at 8:07pm GMT, on September 11, 2013, from a small asteroid (boulder) impact. The object was traveling at approximately 37,900 mph (61,000 kph) at time of impact, and its weight was estimated at 880 lbs (400 kilograms). The energy of the impact was estimated to be equivalent to 15 tons of TNT.
Video Source Credits:
Video produced on the occasion of the publication (in Feb. 2014) in Monthly Notices of the Royal Astronomical Society (MNRAS) of the paper entitled “A large lunar impact blast on 2013 September 11”, by J.M. Madiedo, J.L. Ortiz, N. Morales and J. Cabrera-Caño.