NASA’s Juno spacecraft will fly by Jupiter’s volcanic moon Io

NASA's Juno spacecraft is slated to fly by Jupiter's volcanic moon Io Tuesday. 

It will be the closest flyby to date, at an altitude of around 22,060 miles.

The agency said it will pass the gas giant soon after. 

Juno has performed more than 50 flybys of Jupiter and flown more than 510 million miles. It arrived at Jupiter July 4, 2016, with the first science flyby occurring 53 days later.

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