Alexander Rogge | Congressional School Astronomy Night - June 4 2011

IMG_9266 NNIMG_9269 NNIMG_9276 NNIMG_9289 NNIMG_9298 NNIMG_9306 NNIMG_9310 NNIMG_9337 NNIMG_9349 NNIMG_9365 NNIMG_9370 NNIMG_9379 NNIMG_9384 NN