__________ is the new name of NASA’s WFIRST Hubble Telescope ?

a) Nancy Grace Roman
b) James E. Webb
c) Thomas O Paine
d) Richard H Truly

NASA has renamed its next-generation space telescope- Wide-Field Infrared Survey Telescope (WFIRST), after the space agency’s first chief astronomer Nancy Grace Roman. Nancy Grace Roman is considered as the mother of Hubble Space Telescope, which was launched 30 years ago.