Spacewalkers’ hi-tech tools proved ineffective when it came to dislodging a bolt interfering with repairs at the Hubble Telescope.

FOR the second straight day, astronauts stepped out on a space walk yesterday to bring a scientific instrument back from the dead on the Hubble Space Telescope.

A pair of spacewalking astronauts stepped outside today to begin demanding repair work on the Hubble Space Telescope, a job made all the more dangerous because of the debris-ridden orbit.