In Ancient Roman mythology, Jupiter claimed domain over the sky and the thunder. He cloaked himself in cloud to hide his mischief— but his wife, Juno, could see past it all. It’s no accident that NASA named a spacecraft after her (though they did give the craft a backronym in an attempt to cover their sentimental tracks), or that she has been zipping through space at almost 19 miles per second for the past five years, her sights set on Jupiter and it’s mysteries.
Juno snuck its way into Jupiter’s orbit on July 4th. At 11:18 PM Eastern Time the main engine started firing, slowing the spacecraft enough so it could fall into the planet’s orbit. At 11:53 PM, those engines were shut off. Almost four hundred million miles away, NASA received a three-second beep to reassure them that the spacecraft had made it into orbit in one piece. Juno project manager Rick Nybakken told the room: “We just did the hardest thing NASA’s ever done.”
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