Four completed space walks to repair and refurbish the Hubble Space Telescope, four success stories.
On May 16, shuttle astronauts John Grunsfeld and Andrew Feustel completed the third spacewalk to service the aging orbiting observatory. During their venture, which took just over 6½ hours, the astronauts removed the Corrective Optics Space Telescope Axial Replacement, which for several years had acted as a pair of corrective eyeglasses compensating for the Hubble’s infamously flawed primary mirror.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.