25 years ago, the Hubble telescope 'needed glasses'

Aired: 4/24/2015 | 0:03:33 | Clip
Since its launch in 1990, the Hubble Space Telescope has sent back more than a million observations and amazing images, offering scientists and stargazers an unmatched window to the universe. Science correspondent Miles O’Brien joins Judy Woodruff to celebrate Hubble’s 25th anniversary and why it started off with fuzzy vision.

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