The correct options are
A The Hubble Space Telescope (HST) , has accurately determined the rate of expansion of the universe.
B Hubble has contributed to studies of the behavior of graphite composite structures in vacuum.
C Optical contamination from residual gas can also be observed from the HST.
The hubble space Telescope (HST) has accurately determined rate of expansion of the universe. It has contributed to studies of the behaviour of graphite composite structures in vacuum and has observed the optical contamination from residual gases.