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NASA is set to launch a daring robotic rescue mission, a long-shot bid to prevent one of its ageing telescopes from vanishing into dust.

If successful, the effort could pave the way for giving other satellites a second life.

The operation is set to last several months, kicking off with the launch of a robot designed to rescue the Swift space telescope that’s currently falling towards Earth.

Without intervention, Swift is expected to soon burn up in the atmosphere. The rescue spacecraft developed by the US startup Katalyst was slated to lift off on Tuesday at 1023 GMT (3:23pm PKT) from a Pacific Ocean atoll aboard a small rocket named Pegasus.