HI, JUNO!

On October 9, 2013, NASA's Juno spacecraft flew by Earth one last time on its five year journey to Jupiter.

That day, amateur radio operators worldwide joined forces to send the word "HI" in Morse Code. It sounded a little something like this: •••• ••

Here's how it happened.

Those without a ham radio said "HI" in a different way: social media. Look how creative everyone got!

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