Jane Rigby demonstrated how scientists study parts of the distant universe with the use of natural telescopes (a natural phenomenon known as gravitational lensing) in conjunction with the largest telescopes on or off the Earth.

Speaker Biography: Jane Rigby is a NASA astrophysicist and deputy project scientist for operations for the James Webb Telescope.

For transcript, captions, and more information, visit http://www.loc.gov/today/cyberlc/feat...