Europe’s veteran gamma-ray space telescope nearly killed by charged particle strike


The European Space Agency (ESA) nearly lost a veteran space telescope last month when a charged particle disabled one of the reaction wheels that keep its solar arrays pointed at the sun. 

The incident led to a race against the clock as ground controllers had only three hours of battery time to find a solution before the spacecraft completely lost power, ESA revealed in a statement issued on Monday (Oct. 18)

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