It seems you are listing various activities related to space exploration and research. However, the corresponding question or context for these items is missing. If you could provide more details or specify what you need help with regarding these activities, I would be happy to assist you further!
With the answers of
A)placement of mirrors on the lunar surface
B)collection of lunar rock samples
D)experiments performed on the international space station
C)collection of deep space images by the Hubble telescope
1 answer