Explore Smithsonian: How Are Optical Instruments Tested Before Space Flight?
Description:
Telescopes have mirrors that help them gather light, but the challenge of modern telescopes is getting the mirrors to bend and move to collect the most light. Discover how Smithsonian researchers are making their own mirrors, and testing them, to go into space. ---- If you enjoyed our Explore Smithsonian videos, share them with a friend, colleague, or a teacher in your life. And be sure to connect with us online! Our Website: http://s.si.edu/1RtrHsO STEMVisions Blog: http://s.si.edu/1de3GIH Facebook: http://s.si.edu/1Hc9Rt0 Twitter: http://s.si.edu/1GmsSVR Pinterest: http://s.si.edu/IJtdLq Google+: http://s.si.edu/1SGMzzj
