In “25 Years Later, Hubble Sees Beyond Troubled Start,” what does the author mean by this statement?

When the Hubble was finally deployed, NASA’s spinmasters were instantly at the
top of their game, hailing it as the greatest advance in astronomy since Galileo.

a. After realizing that the Hubble had a serious problem, NASA wanted to head off any objections to its poor design.
b. After waiting a long time for the Hubble to become a reality, NASA wanted to encourage a lot of support for it.
c. NASA wanted to convince people that the Hubble would one day replace all other devices used for space exploration.
d. Because NASA was ashamed that it had taken so long for the Hubble to become a reality, they felt it necessary to apologize to the public.