Thermal Evolution and Activity of comet 9P/Tempel 1 and Simulation of a Deep Impact Posted on July 1, 2014 by UHNAI Webmaster in Sarid, G., Prialnik, D., Meech, K.J., Pittichova, J., Farnham, T.L. (). Thermal Evolution and Activity of comet 9P/Tempel 1 and Simulation of a Deep Impact. , 117,