Question

the hubble space telescope design with two which mirrors​

Answer 1

two plane mirrors might be

Answer 2

Hey mate
here is your answer :--

Hubble space telescope uses 2 mirrors.

1st one is the 'primary mirror' which reflects the light rays towards the 2nd mirror

2nd mirror is the secondary mirror which then reflects it to the scientific instruments which interprets the reflected rays

Thus we can see images due to these two mirrors


Hope this help you mate