Which of the following best explains why expensive satellites and space observatories such as the Hubble Space Telescope are placed in orbit around Earth to collect information from space?

I'll do it rn and then answer

Ithink it’s: light bounce if off a mirror

Answer(a)   the matererials that are in contact, the two materials and the nature of their surfaces/// (b)/// the force pushing the two surfaces together, pushing the surfaces together causes the more of the asperities to come together and increases the surface area in contact with each other