Last Thursday we went to the science museum and we used the train and we had to walk to the museum as well. we saw a prototype of the Hubble telescope,the real telescope was about the size of a single double decker bus. We also saw sputnik1,it was the first satellite in space,it stayed in space for 92 days. A Saturn V rocket has 5 formula 1 engines which produces a Huge amount of thrust. NASA is developing a new rocket right now.