Assertion: reflecting telescope's mirror | /r/HasProperty | convex
Facets:
value: so strongly
type: MANNER
Source sentences:
text: You can see that the reflected ray is more parallel to the axis, which would only happen if the mirror were convex.
text: There are examples of optical telescopes where the secondary mirror is so strongly convex that the light then becomes divergent, expanding toward the primary before being refocused (made convergent again) by a tertiary mirror, such as the (crazy/beautiful) Large Synoptic Survey Telescope.