Assertion: newtonian telescope's mirror | /r/CapableOf | deliver the image
Facets:
value: out the side of the tube
type: OTHER
value: to an eyepiece
type: TRANSITIVE-OBJECT
Source sentences:
text: Because light entering the open end of the telescope tube (right side of picture) is reflected back through the tube, a flat diagonal mirror is needed to deliver the image out the side of the tube to an eyepiece.