Four hundred years since Galileo invented the first telescope, today's
high-tech telescopes can show us giant clouds where stars and planets
are born. We can watch stars exploding, galaxies colliding, and the
violence of black holes. Help your students explore how revolutions in
telescope technology continue to push forward the frontiers of space.
Hunting the Edge of Space: The Mystery of the Milky Way
(Video)
Follow the journey of the telescope, from Galileo to Cassini. Then find
out what we're learning about our galaxy and beyond from today's
powerful technology. (Chapters 2, 3, and 6, approx. 28 min.; Program
available after broadcast)
