The primary mirror or lens that gathers and focuses light is the O mirror
O objective
eyepiece
O collector

In what way does renewable energy differ form nonrenewable energy?

Which events occurred during the space race? check all that apply. (a) nasa was established. (b) yuri gagarin orbited earth. (c) the soviet union launched salyut. (d) the united states launched skylab. (e) the united states launched explorer 1.

The largest employer of cartographers is the