Image credits
Image Credits:

Photos: Q3a: courtesy of MOC Team and NASA, Mars Global Surveyor; Q2, 3b, 3c, 5, 7: courtesy of NASA; Q4: courtesy of Robert Williams and the Hubble Deep Field Team (STScI) and NASA; Q6: courtesy of Photo Researchers; Q8: courtesy of NASA/JPL/CALTECH; Q10: courtesy of ESA/STScI, Dr. Christopher Burrows and NASA, Hubble Space Telescope