Despite the recent rash of space-debris problems, the risk that the space shuttle mission to service the Hubble Space Telescope will have a catastrophic collision with space junk and micrometeoroids won’t exceed NASA guidelines.
More precise observations of the orbital debris encircling Earth also showed the amount of junk was slightly lower than had previously been calculated. The new information means the shuttle mission to the Hubble can fly without any safety reservations.
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