Rescued space probe fires its thrusters for the first time in almost 20 years

The resurrected ISEE-3 space probe fired its thrusters for the first time in almost 20 years this weekend. The probe was launched by NASA in 1978 to measure solar winds, but decommissioned in 1997 as the craft drifted farther and farther from Earth. But in 2008, a group of former NASA employees discovered the craft was still transmitting a signal, and launched a massive crowdfunding effort to return the probe to active duty.

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